9150089621 has 2 divisors, whose sum is σ = 9150089622. Its totient is φ = 9150089620.

The previous prime is 9150089617. The next prime is 9150089633. The reversal of 9150089621 is 1269800519.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6243370225 + 2906719396 = 79015^2 + 53914^2 .

It is a cyclic number.

It is not a de Polignac number, because 9150089621 - 2² = 9150089617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9150089651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4575044810 + 4575044811.

It is an arithmetic number, because the mean of its divisors is an integer number (4575044811).

Almost surely, 2^9150089621 is an apocalyptic number.

It is an amenable number.

9150089621 is a deficient number, since it is larger than the sum of its proper divisors (1).

9150089621 is an equidigital number, since it uses as much as digits as its factorization.

9150089621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 9150089621 is about 95656.1008038693. The cubic root of 9150089621 is about 2091.5830608198.

The spelling of 9150089621 in words is "nine billion, one hundred fifty million, eighty-nine thousand, six hundred twenty-one".