90810003412 has 24 divisors (see below), whose sum is σ = 168407121960. Its totient is φ = 42770058240.

The previous prime is 90810003409. The next prime is 90810003421. The reversal of 90810003412 is 21430001809.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12645136 + 90797358276 = 3556^2 + 301326^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9542133 + ... + 9551644.

It is an arithmetic number, because the mean of its divisors is an integer number (7016963415).

Almost surely, 2^90810003412 is an apocalyptic number.

It is an amenable number.

90810003412 is a deficient number, since it is larger than the sum of its proper divisors (77597118548).

90810003412 is a wasteful number, since it uses less digits than its factorization.

90810003412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19093851 (or 19093849 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 90810003412 in words is "ninety billion, eight hundred ten million, three thousand, four hundred twelve".