249469699064 has 32 divisors (see below), whose sum is σ = 485632195200. Its totient is φ = 119998838400.

The previous prime is 249469699049. The next prime is 249469699091. The reversal of 249469699064 is 460996964942.

249469699064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 249469698985 and 249469699003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876712 + ... + 2005239.

It is an arithmetic number, because the mean of its divisors is an integer number (15176006100).

Almost surely, 2^249469699064 is an apocalyptic number.

It is an amenable number.

249469699064 is a deficient number, since it is larger than the sum of its proper divisors (236162496136).

249469699064 is a wasteful number, since it uses less digits than its factorization.

249469699064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882263 (or 3882259 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 68.

The spelling of 249469699064 in words is "two hundred forty-nine billion, four hundred sixty-nine million, six hundred ninety-nine thousand, sixty-four".