421021420314037 has 2 divisors, whose sum is σ = 421021420314038. Its totient is φ = 421021420314036.

The previous prime is 421021420313981. The next prime is 421021420314083. The reversal of 421021420314037 is 730413024120124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401224695992836 + 19796724321201 = 20030594^2 + 4449351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421021420314037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421021420313993 and 421021420314011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421021420314097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210510710157018 + 210510710157019.

It is an arithmetic number, because the mean of its divisors is an integer number (210510710157019).

Almost surely, 2^{421021420314037} is an apocalyptic number.

It is an amenable number.

421021420314037 is a deficient number, since it is larger than the sum of its proper divisors (1).

421021420314037 is an equidigital number, since it uses as much as digits as its factorization.

421021420314037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 421021420314037 in words is "four hundred twenty-one trillion, twenty-one billion, four hundred twenty million, three hundred fourteen thousand, thirty-seven".