9475291979 has 8 divisors (see below), whose sum is σ = 9678282240. Its totient is φ = 9272359656.

The previous prime is 9475291919. The next prime is 9475291993. The reversal of 9475291979 is 9791925749.

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

It is not a de Polignac number, because 9475291979 - 2¹² = 9475287883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9475291909) 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, 542192 + ... + 559394.

It is an arithmetic number, because the mean of its divisors is an integer number (1209785280).

Almost surely, 2^9475291979 is an apocalyptic number.

9475291979 is a deficient number, since it is larger than the sum of its proper divisors (202990261).

9475291979 is a wasteful number, since it uses less digits than its factorization.

9475291979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28969.

The product of its digits is 12859560, while the sum is 62.

The square root of 9475291979 is about 97341.1114534861. Note that the first 3 decimals coincide. The cubic root of 9475291979 is about 2116.0740783877.

The spelling of 9475291979 in words is "nine billion, four hundred seventy-five million, two hundred ninety-one thousand, nine hundred seventy-nine".