90019368508 has 6 divisors (see below), whose sum is σ = 157533894896. Its totient is φ = 45009684252.

The previous prime is 90019368487. The next prime is 90019368529. The reversal of 90019368508 is 80586391009.

It is an interprime number because it is at equal distance from previous prime (90019368487) and next prime (90019368529).

It is a congruent number.

It is an unprimeable number.

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, 11252421060 + ... + 11252421067.

Almost surely, 2^90019368508 is an apocalyptic number.

It is an amenable number.

90019368508 is a deficient number, since it is larger than the sum of its proper divisors (67514526388).

90019368508 is a wasteful number, since it uses less digits than its factorization.

90019368508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22504842131 (or 22504842129 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 90019368508 in words is "ninety billion, nineteen million, three hundred sixty-eight thousand, five hundred eight".