401421012479 has 2 divisors, whose sum is σ = 401421012480. Its totient is φ = 401421012478.

The previous prime is 401421012463. The next prime is 401421012493. The reversal of 401421012479 is 974210124104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401421012479 - 2⁴ = 401421012463 is a prime.

It is a super-2 number, since 2×401421012479² (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 (401421012439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200710506239 + 200710506240.

It is an arithmetic number, because the mean of its divisors is an integer number (200710506240).

Almost surely, 2^401421012479 is an apocalyptic number.

401421012479 is a deficient number, since it is larger than the sum of its proper divisors (1).

401421012479 is an equidigital number, since it uses as much as digits as its factorization.

401421012479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 401421012479 in words is "four hundred one billion, four hundred twenty-one million, twelve thousand, four hundred seventy-nine".