10637893721 has 8 divisors (see below), whose sum is σ = 13092792384. Its totient is φ = 8416794960.

The previous prime is 10637893703. The next prime is 10637893729. The reversal of 10637893721 is 12739873601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10637893721 - 2¹⁸ = 10637631577 is a prime.

It is a super-2 number, since 2×10637893721² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10637893729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58449875 + ... + 58450056.

It is an arithmetic number, because the mean of its divisors is an integer number (1636599048).

Almost surely, 2^10637893721 is an apocalyptic number.

It is an amenable number.

10637893721 is a deficient number, since it is larger than the sum of its proper divisors (2454898663).

10637893721 is a wasteful number, since it uses less digits than its factorization.

10637893721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116899951.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 10637893721 in words is "ten billion, six hundred thirty-seven million, eight hundred ninety-three thousand, seven hundred twenty-one".