7195899951 has 28 divisors (see below), whose sum is σ = 10796540328. Its totient is φ = 4793876784.

The previous prime is 7195899947. The next prime is 7195899959. The reversal of 7195899951 is 1599985917.

It is not a de Polignac number, because 7195899951 - 2² = 7195899947 is a prime.

It is a super-2 number, since 2×7195899951² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7195899959) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1435816 + ... + 1440818.

It is an arithmetic number, because the mean of its divisors is an integer number (385590726).

Almost surely, 2^7195899951 is an apocalyptic number.

7195899951 is a deficient number, since it is larger than the sum of its proper divisors (3600640377).

7195899951 is an equidigital number, since it uses as much as digits as its factorization.

7195899951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994 (or 6979 counting only the distinct ones).

The product of its digits is 9185400, while the sum is 63.

The square root of 7195899951 is about 84828.6505315274. The cubic root of 7195899951 is about 1930.6121668571.

The spelling of 7195899951 in words is "seven billion, one hundred ninety-five million, eight hundred ninety-nine thousand, nine hundred fifty-one".