2090129449984 has 33 divisors (see below), whose sum is σ = 4178310241387. Its totient is φ = 1045041593344.

The previous prime is 2090129449949. The next prime is 2090129449997. The reversal of 2090129449984 is 4899449210902.

The square root of 2090129449984 is 1445728.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2090129449984² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 46240707 + ... + 46285885.

Almost surely, 2^{2090129449984} is an apocalyptic number.

2090129449984 is the 1445728-th square number.

It is an amenable number.

2090129449984 is a deficient number, since it is larger than the sum of its proper divisors (2088180791403).

2090129449984 is an frugal number, since it uses more digits than its factorization.

2090129449984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90378 (or 45181 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 61.

The spelling of 2090129449984 in words is "two trillion, ninety billion, one hundred twenty-nine million, four hundred forty-nine thousand, nine hundred eighty-four".