90603999930641 has 2 divisors, whose sum is σ = 90603999930642. Its totient is φ = 90603999930640.

The previous prime is 90603999930599. The next prime is 90603999930683. The reversal of 90603999930641 is 14603999930609.

It is a balanced prime because it is at equal distance from previous prime (90603999930599) and next prime (90603999930683).

It can be written as a sum of positive squares in only one way, i.e., 76751616640000 + 13852383290641 = 8760800^2 + 3721879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90603999930641 is a prime.

It is not a weakly prime, because it can be changed into another prime (90603999933641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45301999965320 + 45301999965321.

It is an arithmetic number, because the mean of its divisors is an integer number (45301999965321).

Almost surely, 2^{90603999930641} is an apocalyptic number.

It is an amenable number.

90603999930641 is a deficient number, since it is larger than the sum of its proper divisors (1).

90603999930641 is an equidigital number, since it uses as much as digits as its factorization.

90603999930641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76527504, while the sum is 68.

The spelling of 90603999930641 in words is "ninety trillion, six hundred three billion, nine hundred ninety-nine million, nine hundred thirty thousand, six hundred forty-one".