424374402553 has 2 divisors, whose sum is σ = 424374402554. Its totient is φ = 424374402552.

The previous prime is 424374402527. The next prime is 424374402637. The reversal of 424374402553 is 355204473424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402910101504 + 21464301049 = 634752^2 + 146507^2 .

It is a cyclic number.

It is not a de Polignac number, because 424374402553 - 2¹⁷ = 424374271481 is a prime.

It is not a weakly prime, because it can be changed into another prime (424374402253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212187201276 + 212187201277.

It is an arithmetic number, because the mean of its divisors is an integer number (212187201277).

Almost surely, 2^424374402553 is an apocalyptic number.

It is an amenable number.

424374402553 is a deficient number, since it is larger than the sum of its proper divisors (1).

424374402553 is an equidigital number, since it uses as much as digits as its factorization.

424374402553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 43.

Adding to 424374402553 its reverse (355204473424), we get a palindrome (779578875977).

The spelling of 424374402553 in words is "four hundred twenty-four billion, three hundred seventy-four million, four hundred two thousand, five hundred fifty-three".