401421012413 has 2 divisors, whose sum is σ = 401421012414. Its totient is φ = 401421012412.

The previous prime is 401421012367. The next prime is 401421012437. The reversal of 401421012413 is 314210124104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401142356164 + 278656249 = 633358^2 + 16693^2 .

It is a cyclic number.

It is not a de Polignac number, because 401421012413 - 2¹⁶ = 401420946877 is a prime.

It is a super-2 number, since 2×401421012413² (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 (401421012463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200710506206 + 200710506207.

It is an arithmetic number, because the mean of its divisors is an integer number (200710506207).

Almost surely, 2^401421012413 is an apocalyptic number.

It is an amenable number.

401421012413 is a deficient number, since it is larger than the sum of its proper divisors (1).

401421012413 is an equidigital number, since it uses as much as digits as its factorization.

401421012413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 401421012413 its reverse (314210124104), we get a palindrome (715631136517).

The spelling of 401421012413 in words is "four hundred one billion, four hundred twenty-one million, twelve thousand, four hundred thirteen".