42039677297 has 2 divisors, whose sum is σ = 42039677298. Its totient is φ = 42039677296.

The previous prime is 42039677233. The next prime is 42039677299. The reversal of 42039677297 is 79277693024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30098433121 + 11941244176 = 173489^2 + 109276^2 .

It is a cyclic number.

It is not a de Polignac number, because 42039677297 - 2⁶ = 42039677233 is a prime.

Together with 42039677299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42039677299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21019838648 + 21019838649.

It is an arithmetic number, because the mean of its divisors is an integer number (21019838649).

Almost surely, 2^42039677297 is an apocalyptic number.

It is an amenable number.

42039677297 is a deficient number, since it is larger than the sum of its proper divisors (1).

42039677297 is an equidigital number, since it uses as much as digits as its factorization.

42039677297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 56.

The spelling of 42039677297 in words is "forty-two billion, thirty-nine million, six hundred seventy-seven thousand, two hundred ninety-seven".