675553081631 has 4 divisors (see below), whose sum is σ = 711108507000. Its totient is φ = 639997656264.

The previous prime is 675553081601. The next prime is 675553081667. The reversal of 675553081631 is 136180355576.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 675553081631 - 2²⁶ = 675485972767 is a prime.

It is a super-2 number, since 2×675553081631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 675553081631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675553081601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17777712656 + ... + 17777712693.

It is an arithmetic number, because the mean of its divisors is an integer number (177777126750).

Almost surely, 2^675553081631 is an apocalyptic number.

675553081631 is a deficient number, since it is larger than the sum of its proper divisors (35555425369).

675553081631 is a wasteful number, since it uses less digits than its factorization.

675553081631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35555425368.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 675553081631 in words is "six hundred seventy-five billion, five hundred fifty-three million, eighty-one thousand, six hundred thirty-one".