9459972499 has 4 divisors (see below), whose sum is σ = 9460236240. Its totient is φ = 9459708760.

The previous prime is 9459972497. The next prime is 9459972527. The reversal of 9459972499 is 9942799549.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9459972499 - 2¹ = 9459972497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9459972497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67639 + ... + 153280.

It is an arithmetic number, because the mean of its divisors is an integer number (2365059060).

Almost surely, 2^9459972499 is an apocalyptic number.

9459972499 is a deficient number, since it is larger than the sum of its proper divisors (263741).

9459972499 is a wasteful number, since it uses less digits than its factorization.

9459972499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263740.

The product of its digits is 66134880, while the sum is 67.

The square root of 9459972499 is about 97262.3899511008. The cubic root of 9459972499 is about 2114.9330531896.

The spelling of 9459972499 in words is "nine billion, four hundred fifty-nine million, nine hundred seventy-two thousand, four hundred ninety-nine".