49444869 has 4 divisors (see below), whose sum is σ = 65926496. Its totient is φ = 32963244.

The previous prime is 49444847. The next prime is 49444873. The reversal of 49444869 is 96844494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49444869 - 2¹¹ = 49442821 is a prime.

It is a super-2 number, since 2×49444869² = 4889590140854322, 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 (49444169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8240809 + ... + 8240814.

It is an arithmetic number, because the mean of its divisors is an integer number (16481624).

Almost surely, 2^49444869 is an apocalyptic number.

It is an amenable number.

49444869 is a deficient number, since it is larger than the sum of its proper divisors (16481627).

49444869 is a wasteful number, since it uses less digits than its factorization.

49444869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16481626.

The product of its digits is 995328, while the sum is 48.

The square root of 49444869 is about 7031.7045586401. The cubic root of 49444869 is about 367.0346592950.

The spelling of 49444869 in words is "forty-nine million, four hundred forty-four thousand, eight hundred sixty-nine".