401457618073 has 2 divisors, whose sum is σ = 401457618074. Its totient is φ = 401457618072.

The previous prime is 401457618019. The next prime is 401457618083. The reversal of 401457618073 is 370816754104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244932938649 + 156524679424 = 494907^2 + 395632^2 .

It is a cyclic number.

It is not a de Polignac number, because 401457618073 - 2¹³ = 401457609881 is a prime.

It is a super-2 number, since 2×401457618073² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401457618083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200728809036 + 200728809037.

It is an arithmetic number, because the mean of its divisors is an integer number (200728809037).

Almost surely, 2^401457618073 is an apocalyptic number.

It is an amenable number.

401457618073 is a deficient number, since it is larger than the sum of its proper divisors (1).

401457618073 is an equidigital number, since it uses as much as digits as its factorization.

401457618073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 401457618073 in words is "four hundred one billion, four hundred fifty-seven million, six hundred eighteen thousand, seventy-three".