675464521401 has 6 divisors (see below), whose sum is σ = 975670975370. Its totient is φ = 450309680928.

The previous prime is 675464521351. The next prime is 675464521463. The reversal of 675464521401 is 104125464576.

675464521401 is a `hidden beast` number, since 6 + 7 + 54 + 6 + 452 + 140 + 1 = 666.

675464521401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 422173763001 + 253290758400 = 649749^2 + 503280^2 .

It is not a de Polignac number, because 675464521401 - 2¹⁷ = 675464390329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675464529401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37525806736 + ... + 37525806753.

Almost surely, 2^675464521401 is an apocalyptic number.

It is an amenable number.

675464521401 is a deficient number, since it is larger than the sum of its proper divisors (300206453969).

675464521401 is a wasteful number, since it uses less digits than its factorization.

675464521401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75051613495 (or 75051613492 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

Adding to 675464521401 its reverse (104125464576), we get a palindrome (779589985977).

The spelling of 675464521401 in words is "six hundred seventy-five billion, four hundred sixty-four million, five hundred twenty-one thousand, four hundred one".