1850897138536 has 32 divisors (see below), whose sum is σ = 3622005279360. Its totient is φ = 885044281792.

The previous prime is 1850897138479. The next prime is 1850897138551. The reversal of 1850897138536 is 6358317980581.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27306 + ... + 1924198.

It is an arithmetic number, because the mean of its divisors is an integer number (113187664980).

Almost surely, 2^{1850897138536} is an apocalyptic number.

It is an amenable number.

1850897138536 is a deficient number, since it is larger than the sum of its proper divisors (1771108140824).

1850897138536 is a wasteful number, since it uses less digits than its factorization.

1850897138536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902225 (or 1902221 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 64.

The spelling of 1850897138536 in words is "one trillion, eight hundred fifty billion, eight hundred ninety-seven million, one hundred thirty-eight thousand, five hundred thirty-six".