5265634491 has 24 divisors (see below), whose sum is σ = 8205288000. Its totient is φ = 3234733056.

The previous prime is 5265634481. The next prime is 5265634567. The reversal of 5265634491 is 1944365625.

5265634491 is a `hidden beast` number, since 5 + 2 + 6 + 5 + 634 + 4 + 9 + 1 = 666.

It is not a de Polignac number, because 5265634491 - 2¹⁰ = 5265633467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5265634441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28510 + ... + 106508.

It is an arithmetic number, because the mean of its divisors is an integer number (341887000).

Almost surely, 2^5265634491 is an apocalyptic number.

5265634491 is a deficient number, since it is larger than the sum of its proper divisors (2939653509).

5265634491 is a wasteful number, since it uses less digits than its factorization.

5265634491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78595 (or 78592 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 5265634491 is about 72564.6917653482. The cubic root of 5265634491 is about 1739.7368795553.

The spelling of 5265634491 in words is "five billion, two hundred sixty-five million, six hundred thirty-four thousand, four hundred ninety-one".