437704322134081 has 2 divisors, whose sum is σ = 437704322134082. Its totient is φ = 437704322134080.

The previous prime is 437704322134073. The next prime is 437704322134097. The reversal of 437704322134081 is 180431223407734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264844410469681 + 172859911664400 = 16274041^2 + 13147620^2 .

It is a cyclic number.

It is not a de Polignac number, because 437704322134081 - 2³ = 437704322134073 is a prime.

It is a super-2 number, since 2×437704322134081² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (437704322135081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218852161067040 + 218852161067041.

It is an arithmetic number, because the mean of its divisors is an integer number (218852161067041).

Almost surely, 2^{437704322134081} is an apocalyptic number.

It is an amenable number.

437704322134081 is a deficient number, since it is larger than the sum of its proper divisors (1).

437704322134081 is an equidigital number, since it uses as much as digits as its factorization.

437704322134081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 437704322134081 in words is "four hundred thirty-seven trillion, seven hundred four billion, three hundred twenty-two million, one hundred thirty-four thousand, eighty-one".