2590371681 has 8 divisors (see below), whose sum is σ = 3455361504. Its totient is φ = 1726148160.

The previous prime is 2590371671. The next prime is 2590371689. The reversal of 2590371681 is 1861730952.

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

It is not a de Polignac number, because 2590371681 - 2¹¹ = 2590369633 is a prime.

It is a super-2 number, since 2×2590371681² = 13420050891453531522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2590371689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183640 + ... + 197241.

It is an arithmetic number, because the mean of its divisors is an integer number (431920188).

Almost surely, 2^2590371681 is an apocalyptic number.

It is an amenable number.

2590371681 is a deficient number, since it is larger than the sum of its proper divisors (864989823).

2590371681 is a wasteful number, since it uses less digits than its factorization.

2590371681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383151.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 2590371681 is about 50895.6941302504. The cubic root of 2590371681 is about 1373.3693826680.

The spelling of 2590371681 in words is "two billion, five hundred ninety million, three hundred seventy-one thousand, six hundred eighty-one".