9090914145570 has 80 divisors (see below), whose sum is σ = 24449012493048. Its totient is φ = 2423792090880.

The previous prime is 9090914145569. The next prime is 9090914145601. The reversal of 9090914145570 is 755414190909.

It is a happy number.

9090914145570 is a `hidden beast` number, since 9 + 0 + 90 + 91 + 414 + 5 + 57 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5590808231121 + 3500105914449 = 2364489^2 + 1870857^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3315742 + ... + 5401478.

Almost surely, 2^{9090914145570} is an apocalyptic number.

9090914145570 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9090914145570 is an abundant number, since it is smaller than the sum of its proper divisors (15358098347478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9090914145570 is a wasteful number, since it uses less digits than its factorization.

9090914145570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091137 (or 2091128 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 9090914145570 in words is "nine trillion, ninety billion, nine hundred fourteen million, one hundred forty-five thousand, five hundred seventy".