90493416863 has 2 divisors, whose sum is σ = 90493416864. Its totient is φ = 90493416862.

The previous prime is 90493416829. The next prime is 90493416877. The reversal of 90493416863 is 36861439409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90493416863 - 2¹⁰ = 90493415839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90493418863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45246708431 + 45246708432.

It is an arithmetic number, because the mean of its divisors is an integer number (45246708432).

Almost surely, 2^90493416863 is an apocalyptic number.

90493416863 is a deficient number, since it is larger than the sum of its proper divisors (1).

90493416863 is an equidigital number, since it uses as much as digits as its factorization.

90493416863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 90493416863 in words is "ninety billion, four hundred ninety-three million, four hundred sixteen thousand, eight hundred sixty-three".