90412627091 has 2 divisors, whose sum is σ = 90412627092. Its totient is φ = 90412627090.

The previous prime is 90412627079. The next prime is 90412627133. The reversal of 90412627091 is 19072621409.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90412627091 is a prime.

It is not a weakly prime, because it can be changed into another prime (90412627021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45206313545 + 45206313546.

It is an arithmetic number, because the mean of its divisors is an integer number (45206313546).

Almost surely, 2^90412627091 is an apocalyptic number.

90412627091 is a deficient number, since it is larger than the sum of its proper divisors (1).

90412627091 is an equidigital number, since it uses as much as digits as its factorization.

90412627091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 90412627091 in words is "ninety billion, four hundred twelve million, six hundred twenty-seven thousand, ninety-one".