2573138990 has 8 divisors (see below), whose sum is σ = 4631650200. Its totient is φ = 1029255592.

The previous prime is 2573138987. The next prime is 2573138993. The reversal of 2573138990 is 998313752.

It is an interprime number because it is at equal distance from previous prime (2573138987) and next prime (2573138993).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573138993) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 128656940 + ... + 128656959.

It is an arithmetic number, because the mean of its divisors is an integer number (578956275).

Almost surely, 2^2573138990 is an apocalyptic number.

2573138990 is a deficient number, since it is larger than the sum of its proper divisors (2058511210).

2573138990 is a wasteful number, since it uses less digits than its factorization.

2573138990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257313906.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 2573138990 is about 50726.1174347101. The cubic root of 2573138990 is about 1370.3171145079.

The spelling of 2573138990 in words is "two billion, five hundred seventy-three million, one hundred thirty-eight thousand, nine hundred ninety".