42937077861247 has 2 divisors, whose sum is σ = 42937077861248. Its totient is φ = 42937077861246.

The previous prime is 42937077861193. The next prime is 42937077861257. The reversal of 42937077861247 is 74216877073924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42937077861247 - 2¹¹ = 42937077859199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42937077861257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21468538930623 + 21468538930624.

It is an arithmetic number, because the mean of its divisors is an integer number (21468538930624).

Almost surely, 2^{42937077861247} is an apocalyptic number.

42937077861247 is a deficient number, since it is larger than the sum of its proper divisors (1).

42937077861247 is an equidigital number, since it uses as much as digits as its factorization.

42937077861247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 199148544, while the sum is 67.

The spelling of 42937077861247 in words is "forty-two trillion, nine hundred thirty-seven billion, seventy-seven million, eight hundred sixty-one thousand, two hundred forty-seven".