2913970869 has 20 divisors (see below), whose sum is σ = 4363981644. Its totient is φ = 1937732544.

The previous prime is 2913970861. The next prime is 2913970903. The reversal of 2913970869 is 9680793192.

It can be written as a sum of positive squares in 2 ways, for example, as 2627075025 + 286895844 = 51255^2 + 16938^2 .

It is not a de Polignac number, because 2913970869 - 2³ = 2913970861 is a prime.

It is a super-2 number, since 2×2913970869² = 16982452450761230322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913970861) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13152 + ... + 77465.

Almost surely, 2^2913970869 is an apocalyptic number.

It is an amenable number.

2913970869 is a deficient number, since it is larger than the sum of its proper divisors (1450010775).

2913970869 is an equidigital number, since it uses as much as digits as its factorization.

2913970869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91026 (or 91017 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 2913970869 is about 53981.2084803592. The cubic root of 2913970869 is about 1428.3294866781.

The spelling of 2913970869 in words is "two billion, nine hundred thirteen million, nine hundred seventy thousand, eight hundred sixty-nine".