49434789 has 16 divisors (see below), whose sum is σ = 70105280. Its totient is φ = 30896640.

The previous prime is 49434779. The next prime is 49434799. The reversal of 49434789 is 98743494.

It is an interprime number because it is at equal distance from previous prime (49434779) and next prime (49434799).

It is not a de Polignac number, because 49434789 - 2⁵ = 49434757 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49434709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059 + ... + 9999.

It is an arithmetic number, because the mean of its divisors is an integer number (4381580).

Almost surely, 2^49434789 is an apocalyptic number.

It is an amenable number.

49434789 is a deficient number, since it is larger than the sum of its proper divisors (20670491).

49434789 is a wasteful number, since it uses less digits than its factorization.

49434789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060.

The product of its digits is 870912, while the sum is 48.

The square root of 49434789 is about 7030.9877684434. The cubic root of 49434789 is about 367.0097159532.

The spelling of 49434789 in words is "forty-nine million, four hundred thirty-four thousand, seven hundred eighty-nine".