10697019951 has 4 divisors (see below), whose sum is σ = 14262693272. Its totient is φ = 7131346632.

The previous prime is 10697019941. The next prime is 10697019959. The reversal of 10697019951 is 15991079601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10697019951 - 2⁹ = 10697019439 is a prime.

It is a super-2 number, since 2×10697019951² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10697019951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10697019959) 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, 1782836656 + ... + 1782836661.

It is an arithmetic number, because the mean of its divisors is an integer number (3565673318).

Almost surely, 2^10697019951 is an apocalyptic number.

10697019951 is a deficient number, since it is larger than the sum of its proper divisors (3565673321).

10697019951 is an equidigital number, since it uses as much as digits as its factorization.

10697019951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565673320.

The product of its (nonzero) digits is 153090, while the sum is 48.

The spelling of 10697019951 in words is "ten billion, six hundred ninety-seven million, nineteen thousand, nine hundred fifty-one".