1369968976 has 10 divisors (see below), whose sum is σ = 2654314922. Its totient is φ = 684984480.

The previous prime is 1369968973. The next prime is 1369968983. The reversal of 1369968976 is 6798699631.

It can be written as a sum of positive squares in only one way, i.e., 1277347600 + 92621376 = 35740^2 + 9624^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369968973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42811515 + ... + 42811546.

Almost surely, 2^1369968976 is an apocalyptic number.

1369968976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1369968976 is a deficient number, since it is larger than the sum of its proper divisors (1284345946).

1369968976 is an equidigital number, since it uses as much as digits as its factorization.

1369968976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85623069 (or 85623063 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 64.

The square root of 1369968976 is about 37013.0919540640. The cubic root of 1369968976 is about 1110.6321578338.

The spelling of 1369968976 in words is "one billion, three hundred sixty-nine million, nine hundred sixty-eight thousand, nine hundred seventy-six".