969542379 has 20 divisors (see below), whose sum is σ = 1559740336. Its totient is φ = 596640816.

The previous prime is 969542359. The next prime is 969542383. The reversal of 969542379 is 973245969.

969542379 is a `hidden beast` number, since 9 + 69 + 542 + 37 + 9 = 666.

It is not a de Polignac number, because 969542379 - 2⁵ = 969542347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969542309) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 459319 + ... + 461424.

Almost surely, 2^969542379 is an apocalyptic number.

969542379 is a deficient number, since it is larger than the sum of its proper divisors (590197957).

969542379 is a wasteful number, since it uses less digits than its factorization.

969542379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920768 (or 920759 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 969542379 is about 31137.4754757029. The cubic root of 969542379 is about 989.7426052608.

The spelling of 969542379 in words is "nine hundred sixty-nine million, five hundred forty-two thousand, three hundred seventy-nine".