10498891906 has 8 divisors (see below), whose sum is σ = 15749008380. Its totient is φ = 5249222448.

The previous prime is 10498891889. The next prime is 10498891919. The reversal of 10498891906 is 60919889401.

It can be written as a sum of positive squares in 2 ways, for example, as 9743466681 + 755425225 = 98709^2 + 27485^2 .

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

It is a super-2 number, since 2×10498891906² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45081 + ... + 151756.

Almost surely, 2^10498891906 is an apocalyptic number.

10498891906 is a deficient number, since it is larger than the sum of its proper divisors (5250116474).

10498891906 is a wasteful number, since it uses less digits than its factorization.

10498891906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223508.

The product of its (nonzero) digits is 1119744, while the sum is 55.

The spelling of 10498891906 in words is "ten billion, four hundred ninety-eight million, eight hundred ninety-one thousand, nine hundred six".