10347490881 has 160 divisors (see below), whose sum is σ = 19641726720. Its totient is φ = 5305906944.

The previous prime is 10347490871. The next prime is 10347490897. The reversal of 10347490881 is 18809474301.

It is a happy number.

10347490881 is a `hidden beast` number, since 10 + 3 + 474 + 90 + 8 + 81 = 666.

It is not a de Polignac number, because 10347490881 - 2⁷ = 10347490753 is a prime.

It is a super-2 number, since 2×10347490881² (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 (10347490831) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 94931055 + ... + 94931163.

It is an arithmetic number, because the mean of its divisors is an integer number (122760792).

Almost surely, 2^10347490881 is an apocalyptic number.

It is an amenable number.

10347490881 is a deficient number, since it is larger than the sum of its proper divisors (9294235839).

10347490881 is an frugal number, since it uses more digits than its factorization.

10347490881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 10347490881 in words is "ten billion, three hundred forty-seven million, four hundred ninety thousand, eight hundred eighty-one".