42880268369 has 2 divisors, whose sum is σ = 42880268370. Its totient is φ = 42880268368.

The previous prime is 42880268341. The next prime is 42880268429. The reversal of 42880268369 is 96386208824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27177171025 + 15703097344 = 164855^2 + 125312^2 .

It is a cyclic number.

It is not a de Polignac number, because 42880268369 - 2⁸ = 42880268113 is a prime.

It is a super-2 number, since 2×42880268369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42880265369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21440134184 + 21440134185.

It is an arithmetic number, because the mean of its divisors is an integer number (21440134185).

Almost surely, 2^42880268369 is an apocalyptic number.

It is an amenable number.

42880268369 is a deficient number, since it is larger than the sum of its proper divisors (1).

42880268369 is an equidigital number, since it uses as much as digits as its factorization.

42880268369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 42880268369 in words is "forty-two billion, eight hundred eighty million, two hundred sixty-eight thousand, three hundred sixty-nine".