6725996951 has 4 divisors (see below), whose sum is σ = 6731693304. Its totient is φ = 6720300600.

The previous prime is 6725996947. The next prime is 6725996957. The reversal of 6725996951 is 1596995276.

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

It is a cyclic number.

It is not a de Polignac number, because 6725996951 - 2² = 6725996947 is a prime.

It is a super-2 number, since 2×6725996951² = 90478069969722592802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6725996957) 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, 2846405 + ... + 2848766.

It is an arithmetic number, because the mean of its divisors is an integer number (1682923326).

Almost surely, 2^6725996951 is an apocalyptic number.

6725996951 is a deficient number, since it is larger than the sum of its proper divisors (5696353).

6725996951 is a wasteful number, since it uses less digits than its factorization.

6725996951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696352.

The product of its digits is 9185400, while the sum is 59.

The square root of 6725996951 is about 82012.1756265495. The cubic root of 6725996951 is about 1887.6387700613.

The spelling of 6725996951 in words is "six billion, seven hundred twenty-five million, nine hundred ninety-six thousand, nine hundred fifty-one".