1368779496 has 128 divisors (see below), whose sum is σ = 4168212480. Its totient is φ = 366068736.

The previous prime is 1368779491. The next prime is 1368779501. The reversal of 1368779496 is 6949778631.

It is an interprime number because it is at equal distance from previous prime (1368779491) and next prime (1368779501).

It is not an unprimeable number, because it can be changed into a prime (1368779491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177840 + ... + 185376.

It is an arithmetic number, because the mean of its divisors is an integer number (32564160).

Almost surely, 2^1368779496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368779496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084106240).

1368779496 is an abundant number, since it is smaller than the sum of its proper divisors (2799432984).

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

1368779496 is a wasteful number, since it uses less digits than its factorization.

1368779496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623 (or 7619 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 1368779496 is about 36997.0200962186. The cubic root of 1368779496 is about 1110.3106281035.

The spelling of 1368779496 in words is "one billion, three hundred sixty-eight million, seven hundred seventy-nine thousand, four hundred ninety-six".