1901250964 has 12 divisors (see below), whose sum is σ = 3522906324. Its totient is φ = 894706304.

The previous prime is 1901250961. The next prime is 1901250971. The reversal of 1901250964 is 4690521091.

It can be written as a sum of positive squares in 2 ways, for example, as 1314642564 + 586608400 = 36258^2 + 24220^2 .

It is a super-2 number, since 2×1901250964² = 7229510456221858592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901250961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13979719 + ... + 13979854.

It is an arithmetic number, because the mean of its divisors is an integer number (293575527).

Almost surely, 2^1901250964 is an apocalyptic number.

It is an amenable number.

1901250964 is a deficient number, since it is larger than the sum of its proper divisors (1621655360).

1901250964 is a wasteful number, since it uses less digits than its factorization.

1901250964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27959594 (or 27959592 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1901250964 is about 43603.3366154472. The cubic root of 1901250964 is about 1238.8340940106.

The spelling of 1901250964 in words is "one billion, nine hundred one million, two hundred fifty thousand, nine hundred sixty-four".