402420403134319 has 2 divisors, whose sum is σ = 402420403134320. Its totient is φ = 402420403134318.

The previous prime is 402420403134301. The next prime is 402420403134331. The reversal of 402420403134319 is 913431304024204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402420403134319 - 2¹⁵ = 402420403101551 is a prime.

It is a super-2 number, since 2×402420403134319² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402420403134359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201210201567159 + 201210201567160.

It is an arithmetic number, because the mean of its divisors is an integer number (201210201567160).

Almost surely, 2^{402420403134319} is an apocalyptic number.

402420403134319 is a deficient number, since it is larger than the sum of its proper divisors (1).

402420403134319 is an equidigital number, since it uses as much as digits as its factorization.

402420403134319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 402420403134319 in words is "four hundred two trillion, four hundred twenty billion, four hundred three million, one hundred thirty-four thousand, three hundred nineteen".