1368793458 has 64 divisors (see below), whose sum is σ = 3124999680. Its totient is φ = 443865744.

The previous prime is 1368793453. The next prime is 1368793463. The reversal of 1368793458 is 8543978631.

It is an interprime number because it is at equal distance from previous prime (1368793453) and next prime (1368793463).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1368793453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 656085 + ... + 658167.

It is an arithmetic number, because the mean of its divisors is an integer number (48828120).

Almost surely, 2^1368793458 is an apocalyptic number.

1368793458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368793458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562499840).

1368793458 is an abundant number, since it is smaller than the sum of its proper divisors (1756206222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368793458 is a wasteful number, since it uses less digits than its factorization.

1368793458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420 (or 2414 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 1368793458 is about 36997.2087866098. The cubic root of 1368793458 is about 1110.3144032682.

The spelling of 1368793458 in words is "one billion, three hundred sixty-eight million, seven hundred ninety-three thousand, four hundred fifty-eight".