1372393009 has 32 divisors (see below), whose sum is σ = 1591833600. Its totient is φ = 1172646720.

The previous prime is 1372392943. The next prime is 1372393039. The reversal of 1372393009 is 9003932731.

It is a cyclic number.

It is not a de Polignac number, because 1372393009 - 2¹¹ = 1372390961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372393039) 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, 2437362 + ... + 2437924.

It is an arithmetic number, because the mean of its divisors is an integer number (49744800).

Almost surely, 2^1372393009 is an apocalyptic number.

1372393009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1372393009 is a deficient number, since it is larger than the sum of its proper divisors (219440591).

1372393009 is a wasteful number, since it uses less digits than its factorization.

1372393009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 1372393009 is about 37045.8230978878. The cubic root of 1372393009 is about 1111.2868253813.

The spelling of 1372393009 in words is "one billion, three hundred seventy-two million, three hundred ninety-three thousand, nine".