9239297642 has 4 divisors (see below), whose sum is σ = 13858946466. Its totient is φ = 4619648820.

The previous prime is 9239297563. The next prime is 9239297671. The reversal of 9239297642 is 2467929329.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2467929329 = 14561 ⋅169489.

It can be written as a sum of positive squares in only one way, i.e., 5456924641 + 3782373001 = 73871^2 + 61501^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309824409 + ... + 2309824412.

Almost surely, 2^9239297642 is an apocalyptic number.

9239297642 is a deficient number, since it is larger than the sum of its proper divisors (4619648824).

9239297642 is a wasteful number, since it uses less digits than its factorization.

9239297642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619648823.

The product of its digits is 2939328, while the sum is 53.

The square root of 9239297642 is about 96121.2652954589. The cubic root of 9239297642 is about 2098.3583270868.

The spelling of 9239297642 in words is "nine billion, two hundred thirty-nine million, two hundred ninety-seven thousand, six hundred forty-two".