5481271635 has 64 divisors (see below), whose sum is σ = 10165005312. Its totient is φ = 2470404096.

The previous prime is 5481271589. The next prime is 5481271667. The reversal of 5481271635 is 5361721845.

It is a happy number.

It is not a de Polignac number, because 5481271635 - 2⁷ = 5481271507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3125919 + ... + 3127671.

It is an arithmetic number, because the mean of its divisors is an integer number (158828208).

Almost surely, 2^5481271635 is an apocalyptic number.

5481271635 is a deficient number, since it is larger than the sum of its proper divisors (4683733677).

5481271635 is a wasteful number, since it uses less digits than its factorization.

5481271635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its digits is 201600, while the sum is 42.

The square root of 5481271635 is about 74035.6105870682. The cubic root of 5481271635 is about 1763.1683239813.

The spelling of 5481271635 in words is "five billion, four hundred eighty-one million, two hundred seventy-one thousand, six hundred thirty-five".