42477053251 has 2 divisors, whose sum is σ = 42477053252. Its totient is φ = 42477053250.

The previous prime is 42477053207. The next prime is 42477053257. The reversal of 42477053251 is 15235077424.

42477053251 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 42477053251 - 2²⁷ = 42342835523 is a prime.

It is not a weakly prime, because it can be changed into another prime (42477053257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21238526625 + 21238526626.

It is an arithmetic number, because the mean of its divisors is an integer number (21238526626).

Almost surely, 2^42477053251 is an apocalyptic number.

42477053251 is a deficient number, since it is larger than the sum of its proper divisors (1).

42477053251 is an equidigital number, since it uses as much as digits as its factorization.

42477053251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 42477053251 in words is "forty-two billion, four hundred seventy-seven million, fifty-three thousand, two hundred fifty-one".