1850149385956 has 6 divisors (see below), whose sum is σ = 3237761425430. Its totient is φ = 925074692976.

The previous prime is 1850149385951. The next prime is 1850149385963. The reversal of 1850149385956 is 6595839410581.

It can be written as a sum of positive squares in only one way, i.e., 1594072904356 + 256076481600 = 1262566^2 + 506040^2 .

It is not an unprimeable number, because it can be changed into a prime (1850149385951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231268673241 + ... + 231268673248.

Almost surely, 2^{1850149385956} is an apocalyptic number.

It is an amenable number.

1850149385956 is a deficient number, since it is larger than the sum of its proper divisors (1387612039474).

1850149385956 is a wasteful number, since it uses less digits than its factorization.

1850149385956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462537346493 (or 462537346491 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 64.

The spelling of 1850149385956 in words is "one trillion, eight hundred fifty billion, one hundred forty-nine million, three hundred eighty-five thousand, nine hundred fifty-six".