9742362591 has 16 divisors (see below), whose sum is σ = 14440294400. Its totient is φ = 5801902560.

The previous prime is 9742362587. The next prime is 9742362611. The reversal of 9742362591 is 1952632479.

It is not a de Polignac number, because 9742362591 - 2² = 9742362587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9742362591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9742362541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4027891 + ... + 4030308.

It is an arithmetic number, because the mean of its divisors is an integer number (902518400).

Almost surely, 2^9742362591 is an apocalyptic number.

9742362591 is a deficient number, since it is larger than the sum of its proper divisors (4697931809).

9742362591 is a wasteful number, since it uses less digits than its factorization.

9742362591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058246.

The product of its digits is 816480, while the sum is 48.

The square root of 9742362591 is about 98703.4071904309. The cubic root of 9742362591 is about 2135.7713824547.

The spelling of 9742362591 in words is "nine billion, seven hundred forty-two million, three hundred sixty-two thousand, five hundred ninety-one".