49149269 has 8 divisors (see below), whose sum is σ = 53249280. Its totient is φ = 45094896.

The previous prime is 49149251. The next prime is 49149277. The reversal of 49149269 is 96294194.

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 49149269 - 2⁸ = 49149013 is a prime.

It is a super-2 number, since 2×49149269² = 4831301286468722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49949269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9149 + ... + 13490.

It is an arithmetic number, because the mean of its divisors is an integer number (6656160).

Almost surely, 2^49149269 is an apocalyptic number.

It is an amenable number.

49149269 is a deficient number, since it is larger than the sum of its proper divisors (4100011).

49149269 is a wasteful number, since it uses less digits than its factorization.

49149269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22819.

The product of its digits is 139968, while the sum is 44.

The square root of 49149269 is about 7010.6539637897. The cubic root of 49149269 is about 366.3017731715.

The spelling of 49149269 in words is "forty-nine million, one hundred forty-nine thousand, two hundred sixty-nine".