1475833795921 has 27 divisors (see below), whose sum is σ = 1543921562001. Its totient is φ = 1410690484224.

The previous prime is 1475833795907. The next prime is 1475833795927. The reversal of 1475833795921 is 1295973385741.

The square root of 1475833795921 is 1214839.

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

It can be written as a sum of positive squares in 4 ways, for example, as 590661417025 + 885172378896 = 768545^2 + 940836^2 .

It is not a de Polignac number, because 1475833795921 - 2¹⁵ = 1475833763153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1475833795927) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5742543825 + ... + 5742544081.

Almost surely, 2^{1475833795921} is an apocalyptic number.

1475833795921 is the 1214839-th square number.

1475833795921 is the 607420-th centered octagonal number.

It is an amenable number.

1475833795921 is a deficient number, since it is larger than the sum of its proper divisors (68087766080).

1475833795921 is an frugal number, since it uses more digits than its factorization.

1475833795921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 449 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 64.

Multiplying 1475833795921 by its sum of digits (64), we get a square (94453362938944 = 9718712²).

The spelling of 1475833795921 in words is "one trillion, four hundred seventy-five billion, eight hundred thirty-three million, seven hundred ninety-five thousand, nine hundred twenty-one".