10437957891 has 32 divisors (see below), whose sum is σ = 16532305920. Its totient is φ = 6485692032.

The previous prime is 10437957869. The next prime is 10437957947. The reversal of 10437957891 is 19875973401.

It is a happy number.

It is not a de Polignac number, because 10437957891 - 2²⁷ = 10303740163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10437957841) 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, 63115 + ... + 157668.

It is an arithmetic number, because the mean of its divisors is an integer number (516634560).

Almost surely, 2^10437957891 is an apocalyptic number.

10437957891 is a deficient number, since it is larger than the sum of its proper divisors (6094348029).

10437957891 is a wasteful number, since it uses less digits than its factorization.

10437957891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220912 (or 220906 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 10437957891 in words is "ten billion, four hundred thirty-seven million, nine hundred fifty-seven thousand, eight hundred ninety-one".