90643085614 has 4 divisors (see below), whose sum is σ = 135964628424. Its totient is φ = 45321542806.

The previous prime is 90643085591. The next prime is 90643085641. The reversal of 90643085614 is 41658034609.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22660771402 + ... + 22660771405.

It is an arithmetic number, because the mean of its divisors is an integer number (33991157106).

Almost surely, 2^90643085614 is an apocalyptic number.

90643085614 is a deficient number, since it is larger than the sum of its proper divisors (45321542810).

90643085614 is a wasteful number, since it uses less digits than its factorization.

90643085614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45321542809.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 90643085614 in words is "ninety billion, six hundred forty-three million, eighty-five thousand, six hundred fourteen".