42087183751 has 2 divisors, whose sum is σ = 42087183752. Its totient is φ = 42087183750.

The previous prime is 42087183667. The next prime is 42087183767. The reversal of 42087183751 is 15738178024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42087183751 - 2²¹ = 42085086599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42087183791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21043591875 + 21043591876.

It is an arithmetic number, because the mean of its divisors is an integer number (21043591876).

Almost surely, 2^42087183751 is an apocalyptic number.

42087183751 is a deficient number, since it is larger than the sum of its proper divisors (1).

42087183751 is an equidigital number, since it uses as much as digits as its factorization.

42087183751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 42087183751 in words is "forty-two billion, eighty-seven million, one hundred eighty-three thousand, seven hundred fifty-one".