1875264576409 has 15 divisors (see below), whose sum is σ = 2187756782357. Its totient is φ = 1607312121996.

The previous prime is 1875264576407. The next prime is 1875264576413. The reversal of 1875264576409 is 9046754625781.

The square root of 1875264576409 is 1369403.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1875264576409 - 2¹ = 1875264576407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1875264576401) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 67086774 + ... + 67114720.

Almost surely, 2^{1875264576409} is an apocalyptic number.

1875264576409 is the 1369403-rd square number.

1875264576409 is the 684702-nd centered octagonal number.

It is an amenable number.

1875264576409 is a deficient number, since it is larger than the sum of its proper divisors (312492205948).

1875264576409 is an frugal number, since it uses more digits than its factorization.

1875264576409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55922 (or 27954 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 64.

Multiplying 1875264576409 by its sum of digits (64), we get a square (120016932890176 = 10955224²).

The spelling of 1875264576409 in words is "one trillion, eight hundred seventy-five billion, two hundred sixty-four million, five hundred seventy-six thousand, four hundred nine".