42140999951 has 2 divisors, whose sum is σ = 42140999952. Its totient is φ = 42140999950.

The previous prime is 42140999911. The next prime is 42141000037. The reversal of 42140999951 is 15999904124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42140999951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42140999893 and 42140999902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42140999911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21070499975 + 21070499976.

It is an arithmetic number, because the mean of its divisors is an integer number (21070499976).

Almost surely, 2^42140999951 is an apocalyptic number.

42140999951 is a deficient number, since it is larger than the sum of its proper divisors (1).

42140999951 is an equidigital number, since it uses as much as digits as its factorization.

42140999951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 42140999951 in words is "forty-two billion, one hundred forty million, nine hundred ninety-nine thousand, nine hundred fifty-one".