401421012463 has 2 divisors, whose sum is σ = 401421012464. Its totient is φ = 401421012462.

The previous prime is 401421012439. The next prime is 401421012479. The reversal of 401421012463 is 364210124104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401421012463 is a prime.

It is a super-2 number, since 2×401421012463² (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 (401421012413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200710506231 + 200710506232.

It is an arithmetic number, because the mean of its divisors is an integer number (200710506232).

Almost surely, 2^401421012463 is an apocalyptic number.

401421012463 is a deficient number, since it is larger than the sum of its proper divisors (1).

401421012463 is an equidigital number, since it uses as much as digits as its factorization.

401421012463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 401421012463 its reverse (364210124104), we get a palindrome (765631136567).

The spelling of 401421012463 in words is "four hundred one billion, four hundred twenty-one million, twelve thousand, four hundred sixty-three".