10508481894 has 16 divisors (see below), whose sum is σ = 21044303280. Its totient is φ = 3498270720.

The previous prime is 10508481883. The next prime is 10508481899. The reversal of 10508481894 is 49818480501.

It is a super-2 number, since 2×10508481894² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10508481899) 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, 1134147 + ... + 1143374.

It is an arithmetic number, because the mean of its divisors is an integer number (1315268955).

Almost surely, 2^10508481894 is an apocalyptic number.

10508481894 is an abundant number, since it is smaller than the sum of its proper divisors (10535821386).

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

10508481894 is a wasteful number, since it uses less digits than its factorization.

10508481894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278295.

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 10508481894 in words is "ten billion, five hundred eight million, four hundred eighty-one thousand, eight hundred ninety-four".