7909400963 has 4 divisors (see below), whose sum is σ = 7911904728. Its totient is φ = 7906897200.

The previous prime is 7909400953. The next prime is 7909400999. The reversal of 7909400963 is 3690049097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3690049097 = 7 ⋅527149871.

It is a cyclic number.

It is not a de Polignac number, because 7909400963 - 2²⁴ = 7892623747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7909400953) 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, 1247138 + ... + 1253463.

It is an arithmetic number, because the mean of its divisors is an integer number (1977976182).

Almost surely, 2^7909400963 is an apocalyptic number.

7909400963 is a deficient number, since it is larger than the sum of its proper divisors (2503765).

7909400963 is a wasteful number, since it uses less digits than its factorization.

7909400963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503764.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 7909400963 is about 88934.8129980606. The cubic root of 7909400963 is about 1992.4213989261.

The spelling of 7909400963 in words is "seven billion, nine hundred nine million, four hundred thousand, nine hundred sixty-three".