11649894610 has 8 divisors (see below), whose sum is σ = 20969810316. Its totient is φ = 4659957840.

The previous prime is 11649894577. The next prime is 11649894617. The reversal of 11649894610 is 1649894611.

It can be written as a sum of positive squares in 2 ways, for example, as 10290276481 + 1359618129 = 101441^2 + 36873^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11649894617) 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, 582494721 + ... + 582494740.

Almost surely, 2^11649894610 is an apocalyptic number.

11649894610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11649894610 is a deficient number, since it is larger than the sum of its proper divisors (9319915706).

11649894610 is a wasteful number, since it uses less digits than its factorization.

11649894610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164989468.

The product of its (nonzero) digits is 373248, while the sum is 49.

Subtracting from 11649894610 its reverse (1649894611), we obtain a palindrome (9999999999).

The spelling of 11649894610 in words is "eleven billion, six hundred forty-nine million, eight hundred ninety-four thousand, six hundred ten".