249095649 has 8 divisors (see below), whose sum is σ = 362320992. Its totient is φ = 150967040.

The previous prime is 249095617. The next prime is 249095653. The reversal of 249095649 is 946590942.

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

It is a cyclic number.

It is not a de Polignac number, because 249095649 - 2⁵ = 249095617 is a prime.

It is a super-3 number, since 3×249095649³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 249095598 and 249095607.

It is not an unprimeable number, because it can be changed into a prime (249095669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3774144 + ... + 3774209.

It is an arithmetic number, because the mean of its divisors is an integer number (45290124).

Almost surely, 2^249095649 is an apocalyptic number.

It is an amenable number.

249095649 is a deficient number, since it is larger than the sum of its proper divisors (113225343).

249095649 is a wasteful number, since it uses less digits than its factorization.

249095649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548367.

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 249095649 is about 15782.7643016045. The cubic root of 249095649 is about 629.1999999259.

The spelling of 249095649 in words is "two hundred forty-nine million, ninety-five thousand, six hundred forty-nine".