1902372790659 has 12 divisors (see below), whose sum is σ = 2788050481608. Its totient is φ = 1152953206240.

The previous prime is 1902372790601. The next prime is 1902372790679. The reversal of 1902372790659 is 9560972732091.

It is not a de Polignac number, because 1902372790659 - 2⁷ = 1902372790531 is a prime.

It is a super-2 number, since 2×1902372790659² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1902372790679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2620347834 + ... + 2620348559.

It is an arithmetic number, because the mean of its divisors is an integer number (232337540134).

Almost surely, 2^{1902372790659} is an apocalyptic number.

1902372790659 is a deficient number, since it is larger than the sum of its proper divisors (885677690949).

1902372790659 is a wasteful number, since it uses less digits than its factorization.

1902372790659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240696418 (or 5240696407 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 60.

The spelling of 1902372790659 in words is "one trillion, nine hundred two billion, three hundred seventy-two million, seven hundred ninety thousand, six hundred fifty-nine".