89400004633 has 2 divisors, whose sum is σ = 89400004634. Its totient is φ = 89400004632.

The previous prime is 89400004621. The next prime is 89400004697. The reversal of 89400004633 is 33640000498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81840049929 + 7559954704 = 286077^2 + 86948^2 .

It is a cyclic number.

It is not a de Polignac number, because 89400004633 - 2⁹ = 89400004121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89400004592 and 89400004601.

It is not a weakly prime, because it can be changed into another prime (89400004033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44700002316 + 44700002317.

It is an arithmetic number, because the mean of its divisors is an integer number (44700002317).

Almost surely, 2^89400004633 is an apocalyptic number.

It is an amenable number.

89400004633 is a deficient number, since it is larger than the sum of its proper divisors (1).

89400004633 is an equidigital number, since it uses as much as digits as its factorization.

89400004633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 89400004633 in words is "eighty-nine billion, four hundred million, four thousand, six hundred thirty-three".