9090955445 has 32 divisors (see below), whose sum is σ = 13570260480. Its totient is φ = 5744010240.

The previous prime is 9090955417. The next prime is 9090955451. The reversal of 9090955445 is 5445590909.

It is not a de Polignac number, because 9090955445 - 2²² = 9086761141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9090955393 and 9090955402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361805 + ... + 386114.

It is an arithmetic number, because the mean of its divisors is an integer number (424070640).

Almost surely, 2^9090955445 is an apocalyptic number.

It is an amenable number.

9090955445 is a deficient number, since it is larger than the sum of its proper divisors (4479305035).

9090955445 is a wasteful number, since it uses less digits than its factorization.

9090955445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747965.

The product of its (nonzero) digits is 1458000, while the sum is 50.

The square root of 9090955445 is about 95346.5020071528. The cubic root of 9090955445 is about 2087.0675696956.

The spelling of 9090955445 in words is "nine billion, ninety million, nine hundred fifty-five thousand, four hundred forty-five".