9369724139 has 4 divisors (see below), whose sum is σ = 9438116424. Its totient is φ = 9301331856.

The previous prime is 9369724127. The next prime is 9369724141. The reversal of 9369724139 is 9314279639.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9369724139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9369724109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34195937 + ... + 34196210.

It is an arithmetic number, because the mean of its divisors is an integer number (2359529106).

Almost surely, 2^9369724139 is an apocalyptic number.

9369724139 is a deficient number, since it is larger than the sum of its proper divisors (68392285).

9369724139 is a wasteful number, since it uses less digits than its factorization.

9369724139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68392284.

The product of its digits is 2204496, while the sum is 53.

The square root of 9369724139 is about 96797.3353920448. The cubic root of 9369724139 is about 2108.1860482772.

The spelling of 9369724139 in words is "nine billion, three hundred sixty-nine million, seven hundred twenty-four thousand, one hundred thirty-nine".