249473413 has 8 divisors (see below), whose sum is σ = 285683328. Its totient is φ = 213406224.

The previous prime is 249473407. The next prime is 249473431. The reversal of 249473413 is 314374942.

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 249473413 - 2¹⁷ = 249342341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249473473) 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, 31906 + ... + 38947.

It is an arithmetic number, because the mean of its divisors is an integer number (35710416).

Almost surely, 2^249473413 is an apocalyptic number.

It is an amenable number.

249473413 is a deficient number, since it is larger than the sum of its proper divisors (36209915).

249473413 is an equidigital number, since it uses as much as digits as its factorization.

249473413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71363.

The product of its digits is 72576, while the sum is 37.

The square root of 249473413 is about 15794.7273797302. The cubic root of 249473413 is about 629.5179086699.

The spelling of 249473413 in words is "two hundred forty-nine million, four hundred seventy-three thousand, four hundred thirteen".