42377156639 has 2 divisors, whose sum is σ = 42377156640. Its totient is φ = 42377156638.

The previous prime is 42377156617. The next prime is 42377156659. The reversal of 42377156639 is 93665177324.

42377156639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42377156639 - 2¹⁶ = 42377091103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42377156659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21188578319 + 21188578320.

It is an arithmetic number, because the mean of its divisors is an integer number (21188578320).

Almost surely, 2^42377156639 is an apocalyptic number.

42377156639 is a deficient number, since it is larger than the sum of its proper divisors (1).

42377156639 is an equidigital number, since it uses as much as digits as its factorization.

42377156639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 53.

The spelling of 42377156639 in words is "forty-two billion, three hundred seventy-seven million, one hundred fifty-six thousand, six hundred thirty-nine".