10649688406 has 8 divisors (see below), whose sum is σ = 18256608720. Its totient is φ = 4564152168.

The previous prime is 10649688389. The next prime is 10649688409. The reversal of 10649688406 is 60488694601.

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

It is a super-2 number, since 2×10649688406² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10649688409) 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, 380346001 + ... + 380346028.

It is an arithmetic number, because the mean of its divisors is an integer number (2282076090).

Almost surely, 2^10649688406 is an apocalyptic number.

10649688406 is a deficient number, since it is larger than the sum of its proper divisors (7606920314).

10649688406 is an equidigital number, since it uses as much as digits as its factorization.

10649688406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760692038.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 10649688406 in words is "ten billion, six hundred forty-nine million, six hundred eighty-eight thousand, four hundred six".