1939164249 has 32 divisors (see below), whose sum is σ = 2956681728. Its totient is φ = 1119888000.

The previous prime is 1939164239. The next prime is 1939164281. The reversal of 1939164249 is 9424619391.

It is a happy number.

It is not a de Polignac number, because 1939164249 - 2⁵ = 1939164217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1939164198 and 1939164207.

It is not an unprimeable number, because it can be changed into a prime (1939164209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41514 + ... + 74844.

It is an arithmetic number, because the mean of its divisors is an integer number (92396304).

Almost surely, 2^1939164249 is an apocalyptic number.

It is an amenable number.

1939164249 is a deficient number, since it is larger than the sum of its proper divisors (1017517479).

1939164249 is a wasteful number, since it uses less digits than its factorization.

1939164249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33429.

The product of its digits is 419904, while the sum is 48.

The square root of 1939164249 is about 44035.9426945762. The cubic root of 1939164249 is about 1247.0145819530.

The spelling of 1939164249 in words is "one billion, nine hundred thirty-nine million, one hundred sixty-four thousand, two hundred forty-nine".