90050630479 has 2 divisors, whose sum is σ = 90050630480. Its totient is φ = 90050630478.

The previous prime is 90050630431. The next prime is 90050630617. The reversal of 90050630479 is 97403605009.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90050630479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90050631479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45025315239 + 45025315240.

It is an arithmetic number, because the mean of its divisors is an integer number (45025315240).

Almost surely, 2^90050630479 is an apocalyptic number.

90050630479 is a deficient number, since it is larger than the sum of its proper divisors (1).

90050630479 is an equidigital number, since it uses as much as digits as its factorization.

90050630479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 90050630479 in words is "ninety billion, fifty million, six hundred thirty thousand, four hundred seventy-nine".