2573749890 has 80 divisors (see below), whose sum is σ = 7143840000. Its totient is φ = 664187040.

The previous prime is 2573749837. The next prime is 2573749909. The reversal of 2573749890 is 989473752.

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 (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26140 + ... + 76359.

It is an arithmetic number, because the mean of its divisors is an integer number (89298000).

Almost surely, 2^2573749890 is an apocalyptic number.

2573749890 is an abundant number, since it is smaller than the sum of its proper divisors (4570090110).

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

2573749890 is a wasteful number, since it uses less digits than its factorization.

2573749890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102549 (or 102540 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The square root of 2573749890 is about 50732.1386302608. The cubic root of 2573749890 is about 1370.4255502212.

The spelling of 2573749890 in words is "two billion, five hundred seventy-three million, seven hundred forty-nine thousand, eight hundred ninety".