10090687081 has 4 divisors (see below), whose sum is σ = 10091902032. Its totient is φ = 10089472132.

The previous prime is 10090687073. The next prime is 10090687151. The reversal of 10090687081 is 18078609001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10090687081 - 2³ = 10090687073 is a prime.

It is a super-2 number, since 2×10090687081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10090687051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594931 + ... + 611656.

It is an arithmetic number, because the mean of its divisors is an integer number (2522975508).

Almost surely, 2^10090687081 is an apocalyptic number.

It is an amenable number.

10090687081 is a deficient number, since it is larger than the sum of its proper divisors (1214951).

10090687081 is an equidigital number, since it uses as much as digits as its factorization.

10090687081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214950.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 10090687081 in words is "ten billion, ninety million, six hundred eighty-seven thousand, eighty-one".