2290725579690 has 48 divisors (see below), whose sum is σ = 5956021368648. Its totient is φ = 610846322688.

The previous prime is 2290725579683. The next prime is 2290725579691. The reversal of 2290725579690 is 969755270922.

2290725579690 is a `hidden beast` number, since 2 + 2 + 9 + 0 + 72 + 557 + 9 + 6 + 9 + 0 = 666.

2290725579690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1829156166369 + 461569413321 = 1352463^2 + 679389^2 .

It is a super-2 number, since 2×2290725579690² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2290725579691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4073302 + ... + 4601438.

Almost surely, 2^{2290725579690} is an apocalyptic number.

2290725579690 is an abundant number, since it is smaller than the sum of its proper divisors (3665295788958).

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

2290725579690 is a wasteful number, since it uses less digits than its factorization.

2290725579690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576343 (or 576340 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 2290725579690 in words is "two trillion, two hundred ninety billion, seven hundred twenty-five million, five hundred seventy-nine thousand, six hundred ninety".