439997584097 has 2 divisors, whose sum is σ = 439997584098. Its totient is φ = 439997584096.

The previous prime is 439997584087. The next prime is 439997584111. The reversal of 439997584097 is 790485799934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256004628961 + 183992955136 = 505969^2 + 428944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-439997584097 is a prime.

It is a super-2 number, since 2×439997584097² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (439997584057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219998792048 + 219998792049.

It is an arithmetic number, because the mean of its divisors is an integer number (219998792049).

Almost surely, 2^439997584097 is an apocalyptic number.

It is an amenable number.

439997584097 is a deficient number, since it is larger than the sum of its proper divisors (1).

439997584097 is an equidigital number, since it uses as much as digits as its factorization.

439997584097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617258880, while the sum is 74.

The spelling of 439997584097 in words is "four hundred thirty-nine billion, nine hundred ninety-seven million, five hundred eighty-four thousand, ninety-seven".