4392993634 has 12 divisors (see below), whose sum is σ = 6599928114. Its totient is φ = 2193022944.

The previous prime is 4392993611. The next prime is 4392993637. The reversal of 4392993634 is 4363992934.

It can be written as a sum of positive squares in 3 ways, for example, as 3648522409 + 744471225 = 60403^2 + 27285^2 .

It is a super-3 number, since 3×4392993634³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4392993637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1144182 + ... + 1148014.

Almost surely, 2^4392993634 is an apocalyptic number.

4392993634 is a deficient number, since it is larger than the sum of its proper divisors (2206934480).

4392993634 is an frugal number, since it uses more digits than its factorization.

4392993634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349 (or 4592 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 52.

The square root of 4392993634 is about 66279.6622954583. The cubic root of 4392993634 is about 1637.7723117549.

The spelling of 4392993634 in words is "four billion, three hundred ninety-two million, nine hundred ninety-three thousand, six hundred thirty-four".