42890375051 has 2 divisors, whose sum is σ = 42890375052. Its totient is φ = 42890375050.

The previous prime is 42890374997. The next prime is 42890375057. The reversal of 42890375051 is 15057309824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42890375051 - 2²² = 42886180747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42890374993 and 42890375011.

It is not a weakly prime, because it can be changed into another prime (42890375057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21445187525 + 21445187526.

It is an arithmetic number, because the mean of its divisors is an integer number (21445187526).

Almost surely, 2^42890375051 is an apocalyptic number.

42890375051 is a deficient number, since it is larger than the sum of its proper divisors (1).

42890375051 is an equidigital number, since it uses as much as digits as its factorization.

42890375051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 42890375051 in words is "forty-two billion, eight hundred ninety million, three hundred seventy-five thousand, fifty-one".