42415373251 has 2 divisors, whose sum is σ = 42415373252. Its totient is φ = 42415373250.

The previous prime is 42415373179. The next prime is 42415373263. The reversal of 42415373251 is 15237351424.

42415373251 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 42415373251 - 2⁹ = 42415372739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42415373251.

It is not a weakly prime, because it can be changed into another prime (42415373851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21207686625 + 21207686626.

It is an arithmetic number, because the mean of its divisors is an integer number (21207686626).

Almost surely, 2^42415373251 is an apocalyptic number.

42415373251 is a deficient number, since it is larger than the sum of its proper divisors (1).

42415373251 is an equidigital number, since it uses as much as digits as its factorization.

42415373251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

The spelling of 42415373251 in words is "forty-two billion, four hundred fifteen million, three hundred seventy-three thousand, two hundred fifty-one".