10319991651 has 16 divisors (see below), whose sum is σ = 15539516320. Its totient is φ = 6767206560.

The previous prime is 10319991637. The next prime is 10319991653. The reversal of 10319991651 is 15619991301.

It is not a de Polignac number, because 10319991651 - 2⁷ = 10319991523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10319991597 and 10319991606.

It is not an unprimeable number, because it can be changed into a prime (10319991653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3131320 + ... + 3134613.

It is an arithmetic number, because the mean of its divisors is an integer number (971219770).

Almost surely, 2^10319991651 is an apocalyptic number.

10319991651 is a deficient number, since it is larger than the sum of its proper divisors (5219524669).

10319991651 is an equidigital number, since it uses as much as digits as its factorization.

10319991651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266003 (or 6265997 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 45.

The spelling of 10319991651 in words is "ten billion, three hundred nineteen million, nine hundred ninety-one thousand, six hundred fifty-one".