401434015517 has 2 divisors, whose sum is σ = 401434015518. Its totient is φ = 401434015516.

The previous prime is 401434015391. The next prime is 401434015531. The reversal of 401434015517 is 715510434104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293857231396 + 107576784121 = 542086^2 + 327989^2 .

It is a cyclic number.

It is not a de Polignac number, because 401434015517 - 2¹⁶ = 401433949981 is a prime.

It is a super-2 number, since 2×401434015517² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401434015537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200717007758 + 200717007759.

It is an arithmetic number, because the mean of its divisors is an integer number (200717007759).

Almost surely, 2^401434015517 is an apocalyptic number.

It is an amenable number.

401434015517 is a deficient number, since it is larger than the sum of its proper divisors (1).

401434015517 is an equidigital number, since it uses as much as digits as its factorization.

401434015517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 401434015517 in words is "four hundred one billion, four hundred thirty-four million, fifteen thousand, five hundred seventeen".