401125615673 has 2 divisors, whose sum is σ = 401125615674. Its totient is φ = 401125615672.

The previous prime is 401125615661. The next prime is 401125615687. The reversal of 401125615673 is 376516521104.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298343179264 + 102782436409 = 546208^2 + 320597^2 .

It is a cyclic number.

It is not a de Polignac number, because 401125615673 - 2⁶ = 401125615609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401125615673.

It is not a weakly prime, because it can be changed into another prime (401125615643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200562807836 + 200562807837.

It is an arithmetic number, because the mean of its divisors is an integer number (200562807837).

Almost surely, 2^401125615673 is an apocalyptic number.

It is an amenable number.

401125615673 is a deficient number, since it is larger than the sum of its proper divisors (1).

401125615673 is an equidigital number, since it uses as much as digits as its factorization.

401125615673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 401125615673 in words is "four hundred one billion, one hundred twenty-five million, six hundred fifteen thousand, six hundred seventy-three".