1369788492 has 24 divisors (see below), whose sum is σ = 3264178176. Its totient is φ = 446881168.

The previous prime is 1369788487. The next prime is 1369788499. The reversal of 1369788492 is 2948879631.

It is not an unprimeable number, because it can be changed into a prime (1369788499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213788 + ... + 1214915.

It is an arithmetic number, because the mean of its divisors is an integer number (136007424).

Almost surely, 2^1369788492 is an apocalyptic number.

1369788492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1369788492 is an abundant number, since it is smaller than the sum of its proper divisors (1894389684).

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

1369788492 is a wasteful number, since it uses less digits than its factorization.

1369788492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428757 (or 2428755 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 1369788492 is about 37010.6537634773. The cubic root of 1369788492 is about 1110.5833829731.

The spelling of 1369788492 in words is "one billion, three hundred sixty-nine million, seven hundred eighty-eight thousand, four hundred ninety-two".