249913629 has 12 divisors (see below), whose sum is σ = 412555936. Its totient is φ = 142807752.

The previous prime is 249913597. The next prime is 249913637. The reversal of 249913629 is 926319942.

It is a happy number.

249913629 is a `hidden beast` number, since 2 + 4 + 9 + 9 + 13 + 629 = 666.

It is not a de Polignac number, because 249913629 - 2⁵ = 249913597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249913679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1983379 + ... + 1983504.

Almost surely, 2^249913629 is an apocalyptic number.

It is an amenable number.

249913629 is a deficient number, since it is larger than the sum of its proper divisors (162642307).

249913629 is a wasteful number, since it uses less digits than its factorization.

249913629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966896 (or 3966893 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 249913629 is about 15808.6567740590. The cubic root of 249913629 is about 629.8879694972.

The spelling of 249913629 in words is "two hundred forty-nine million, nine hundred thirteen thousand, six hundred twenty-nine".