424220037697 has 2 divisors, whose sum is σ = 424220037698. Its totient is φ = 424220037696.

The previous prime is 424220037629. The next prime is 424220037701. The reversal of 424220037697 is 796730022424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277298081281 + 146921956416 = 526591^2 + 383304^2 .

It is a cyclic number.

It is not a de Polignac number, because 424220037697 - 2³⁵ = 389860299329 is a prime.

It is not a weakly prime, because it can be changed into another prime (424220037607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212110018848 + 212110018849.

It is an arithmetic number, because the mean of its divisors is an integer number (212110018849).

Almost surely, 2^424220037697 is an apocalyptic number.

It is an amenable number.

424220037697 is a deficient number, since it is larger than the sum of its proper divisors (1).

424220037697 is an equidigital number, since it uses as much as digits as its factorization.

424220037697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 424220037697 in words is "four hundred twenty-four billion, two hundred twenty million, thirty-seven thousand, six hundred ninety-seven".