90142963414687 has 2 divisors, whose sum is σ = 90142963414688. Its totient is φ = 90142963414686.

The previous prime is 90142963414663. The next prime is 90142963414729. The reversal of 90142963414687 is 78641436924109.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90142963414687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90142963424687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45071481707343 + 45071481707344.

It is an arithmetic number, because the mean of its divisors is an integer number (45071481707344).

Almost surely, 2^{90142963414687} is an apocalyptic number.

90142963414687 is a deficient number, since it is larger than the sum of its proper divisors (1).

90142963414687 is an equidigital number, since it uses as much as digits as its factorization.

90142963414687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 90142963414687 in words is "ninety trillion, one hundred forty-two billion, nine hundred sixty-three million, four hundred fourteen thousand, six hundred eighty-seven".