7412566491 has 54 divisors (see below), whose sum is σ = 12432332172. Its totient is φ = 4219895040.

The previous prime is 7412566471. The next prime is 7412566493. The reversal of 7412566491 is 1946652147.

7412566491 is a `hidden beast` number, since 7 + 41 + 2 + 566 + 49 + 1 = 666.

It is not a de Polignac number, because 7412566491 - 2¹⁰ = 7412565467 is a prime.

It is a super-2 number, since 2×7412566491² (a number of 21 digits) contains 22 as substring.

Its product of digits (362880) is a multiple of the sum of its prime divisors (540).

It is not an unprimeable number, because it can be changed into a prime (7412566493) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 14562745 + ... + 14563253.

Almost surely, 2^7412566491 is an apocalyptic number.

7412566491 is a deficient number, since it is larger than the sum of its proper divisors (5019765681).

7412566491 is a wasteful number, since it uses less digits than its factorization.

7412566491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 540 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 7412566491 is about 86096.2629328358. The cubic root of 7412566491 is about 1949.7976113421.

It can be divided in two parts, 741256 and 6491, that added together give a palindrome (747747).

The spelling of 7412566491 in words is "seven billion, four hundred twelve million, five hundred sixty-six thousand, four hundred ninety-one".