9742552490 has 64 divisors (see below), whose sum is σ = 19277885952. Its totient is φ = 3515635200.

The previous prime is 9742552487. The next prime is 9742552513. The reversal of 9742552490 is 942552479.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11866280 + ... + 11867100.

It is an arithmetic number, because the mean of its divisors is an integer number (301216968).

Almost surely, 2^9742552490 is an apocalyptic number.

9742552490 is a deficient number, since it is larger than the sum of its proper divisors (9535333462).

9742552490 is a wasteful number, since it uses less digits than its factorization.

9742552490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 9742552490 is about 98704.3691535486. The cubic root of 9742552490 is about 2135.7852592465.

The spelling of 9742552490 in words is "nine billion, seven hundred forty-two million, five hundred fifty-two thousand, four hundred ninety".