9674319157 has 4 divisors (see below), whose sum is σ = 9674578060. Its totient is φ = 9674060256.

The previous prime is 9674319101. The next prime is 9674319173. The reversal of 9674319157 is 7519134769.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7519134769 = 23 ⋅326918903.

It can be written as a sum of positive squares in 2 ways, for example, as 9122351121 + 551968036 = 95511^2 + 23494^2 .

It is a cyclic number.

It is not a de Polignac number, because 9674319157 - 2³¹ = 7526835509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9674319257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61518 + ... + 152095.

It is an arithmetic number, because the mean of its divisors is an integer number (2418644515).

Almost surely, 2^9674319157 is an apocalyptic number.

It is an amenable number.

9674319157 is a deficient number, since it is larger than the sum of its proper divisors (258903).

9674319157 is a wasteful number, since it uses less digits than its factorization.

9674319157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258902.

The product of its digits is 1428840, while the sum is 52.

The square root of 9674319157 is about 98358.1168841698. The cubic root of 9674319157 is about 2130.7874829278.

The spelling of 9674319157 in words is "nine billion, six hundred seventy-four million, three hundred nineteen thousand, one hundred fifty-seven".