401499120499 has 2 divisors, whose sum is σ = 401499120500. Its totient is φ = 401499120498.

The previous prime is 401499120493. The next prime is 401499120509. The reversal of 401499120499 is 994021994104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401499120499 is a prime.

It is a super-2 number, since 2×401499120499² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401499120493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200749560249 + 200749560250.

It is an arithmetic number, because the mean of its divisors is an integer number (200749560250).

Almost surely, 2^401499120499 is an apocalyptic number.

401499120499 is a deficient number, since it is larger than the sum of its proper divisors (1).

401499120499 is an equidigital number, since it uses as much as digits as its factorization.

401499120499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 401499120499 in words is "four hundred one billion, four hundred ninety-nine million, one hundred twenty thousand, four hundred ninety-nine".