2813745465 has 32 divisors (see below), whose sum is σ = 5010600960. Its totient is φ = 1498148352.

The previous prime is 2813745439. The next prime is 2813745469. The reversal of 2813745465 is 5645473182.

2813745465 is a `hidden beast` number, since 2 + 8 + 137 + 454 + 65 = 666.

It is not a de Polignac number, because 2813745465 - 2¹³ = 2813737273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2813745465.

It is not an unprimeable number, because it can be changed into a prime (2813745469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64777 + ... + 99113.

It is an arithmetic number, because the mean of its divisors is an integer number (156581280).

Almost surely, 2^2813745465 is an apocalyptic number.

It is an amenable number.

2813745465 is a deficient number, since it is larger than the sum of its proper divisors (2196855495).

2813745465 is a wasteful number, since it uses less digits than its factorization.

2813745465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34958 (or 34952 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 2813745465 is about 53044.7496459357. The cubic root of 2813745465 is about 1411.7623730063.

The spelling of 2813745465 in words is "two billion, eight hundred thirteen million, seven hundred forty-five thousand, four hundred sixty-five".