49814919 has 80 divisors (see below), whose sum is σ = 95251200. Its totient is φ = 25719120.

The previous prime is 49814909. The next prime is 49814927. The reversal of 49814919 is 91941894.

49814919 is a `hidden beast` number, since 498 + 149 + 19 = 666.

It is not a de Polignac number, because 49814919 - 2⁵ = 49814887 is a prime.

It is a super-2 number, since 2×49814919² = 4963052309953122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49814909) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 305532 + ... + 305694.

It is an arithmetic number, because the mean of its divisors is an integer number (1190640).

Almost surely, 2^49814919 is an apocalyptic number.

49814919 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

49814919 is the 3773-rd nonagonal number.

49814919 is a deficient number, since it is larger than the sum of its proper divisors (45436281).

49814919 is a wasteful number, since it uses less digits than its factorization.

49814919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 184 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 49814919 is about 7057.9684754184. The cubic root of 49814919 is about 367.9480250123.

The spelling of 49814919 in words is "forty-nine million, eight hundred fourteen thousand, nine hundred nineteen".