9427520642 has 16 divisors (see below), whose sum is σ = 14265434112. Its totient is φ = 4672442880.

The previous prime is 9427520617. The next prime is 9427520657. The reversal of 9427520642 is 2460257249.

It is a self number, because there is not a number n which added to its sum of digits gives 9427520642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276767 + ... + 308957.

It is an arithmetic number, because the mean of its divisors is an integer number (891589632).

Almost surely, 2^9427520642 is an apocalyptic number.

9427520642 is a deficient number, since it is larger than the sum of its proper divisors (4837913470).

9427520642 is a wasteful number, since it uses less digits than its factorization.

9427520642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33473.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 9427520642 is about 97095.4202936472. The cubic root of 9427520642 is about 2112.5118997124.

The spelling of 9427520642 in words is "nine billion, four hundred twenty-seven million, five hundred twenty thousand, six hundred forty-two".