9479249251 has 8 divisors (see below), whose sum is σ = 9713764544. Its totient is φ = 9245373480.

The previous prime is 9479249237. The next prime is 9479249257. The reversal of 9479249251 is 1529429749.

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

It is a cyclic number.

It is not a de Polignac number, because 9479249251 - 2⁷ = 9479249123 is a prime.

It is a super-2 number, since 2×9479249251² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9479249257) 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, 129801 + ... + 189226.

It is an arithmetic number, because the mean of its divisors is an integer number (1214220568).

Almost surely, 2^9479249251 is an apocalyptic number.

9479249251 is a deficient number, since it is larger than the sum of its proper divisors (234515293).

9479249251 is a wasteful number, since it uses less digits than its factorization.

9479249251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319761.

The product of its digits is 1632960, while the sum is 52.

The square root of 9479249251 is about 97361.4361592926. The cubic root of 9479249251 is about 2116.3686239359.

The spelling of 9479249251 in words is "nine billion, four hundred seventy-nine million, two hundred forty-nine thousand, two hundred fifty-one".