1368292979 has 4 divisors (see below), whose sum is σ = 1373379840. Its totient is φ = 1363206120.

The previous prime is 1368292969. The next prime is 1368292987. The reversal of 1368292979 is 9792928631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1368292979 - 2⁴ = 1368292963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368292909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543027 + ... + 2543564.

It is an arithmetic number, because the mean of its divisors is an integer number (343344960).

Almost surely, 2^1368292979 is an apocalyptic number.

1368292979 is a deficient number, since it is larger than the sum of its proper divisors (5086861).

1368292979 is an equidigital number, since it uses as much as digits as its factorization.

1368292979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086860.

The product of its digits is 2939328, while the sum is 56.

The square root of 1368292979 is about 36990.4444282574. Note that the first 4 decimals coincide. The cubic root of 1368292979 is about 1110.1790634478.

The spelling of 1368292979 in words is "one billion, three hundred sixty-eight million, two hundred ninety-two thousand, nine hundred seventy-nine".