49419309 has 16 divisors (see below), whose sum is σ = 69330240. Its totient is φ = 31271040.

The previous prime is 49419287. The next prime is 49419311. The reversal of 49419309 is 90391494.

It is not a de Polignac number, because 49419309 - 2¹⁵ = 49386541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49419329) 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, 879 + ... + 9980.

It is an arithmetic number, because the mean of its divisors is an integer number (4333140).

Almost surely, 2^49419309 is an apocalyptic number.

It is an amenable number.

49419309 is a deficient number, since it is larger than the sum of its proper divisors (19910931).

49419309 is a wasteful number, since it uses less digits than its factorization.

49419309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10940.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 49419309 is about 7029.8868411945. The cubic root of 49419309 is about 366.9714035040.

The spelling of 49419309 in words is "forty-nine million, four hundred nineteen thousand, three hundred nine".