65477632443 has 16 divisors (see below), whose sum is σ = 88133406720. Its totient is φ = 43237920096.

The previous prime is 65477632433. The next prime is 65477632457. The reversal of 65477632443 is 34423677456.

It is not a de Polignac number, because 65477632443 - 2⁴ = 65477632427 is a prime.

It is a super-2 number, since 2×65477632443² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65477632403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97021 + ... + 374657.

It is an arithmetic number, because the mean of its divisors is an integer number (5508337920).

Almost surely, 2^65477632443 is an apocalyptic number.

65477632443 is a deficient number, since it is larger than the sum of its proper divisors (22655774277).

65477632443 is a wasteful number, since it uses less digits than its factorization.

65477632443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278386.

The product of its digits is 10160640, while the sum is 51.

The spelling of 65477632443 in words is "sixty-five billion, four hundred seventy-seven million, six hundred thirty-two thousand, four hundred forty-three".