1949218107 has 16 divisors (see below), whose sum is σ = 2612505600. Its totient is φ = 1292723712.

The previous prime is 1949218097. The next prime is 1949218111. The reversal of 1949218107 is 7018129491.

It is not a de Polignac number, because 1949218107 - 2⁴ = 1949218091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1949218207) 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, 492378 + ... + 496320.

It is an arithmetic number, because the mean of its divisors is an integer number (163281600).

Almost surely, 2^1949218107 is an apocalyptic number.

1949218107 is a deficient number, since it is larger than the sum of its proper divisors (663287493).

1949218107 is a wasteful number, since it uses less digits than its factorization.

1949218107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 1949218107 is about 44149.9502491226. The cubic root of 1949218107 is about 1249.1659731365.

It can be divided in two parts, 1949218 and 107, that added together give a triangular number (1949325 = T₁₉₇₄).

The spelling of 1949218107 in words is "one billion, nine hundred forty-nine million, two hundred eighteen thousand, one hundred seven".