1949493375 has 24 divisors (see below), whose sum is σ = 3514288752. Its totient is φ = 1039729200.

The previous prime is 1949493353. The next prime is 1949493383. The reversal of 1949493375 is 5733949491.

It is a happy number.

It is not a de Polignac number, because 1949493375 - 2²⁷ = 1815275647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 865317 + ... + 867566.

It is an arithmetic number, because the mean of its divisors is an integer number (146428698).

Almost surely, 2^1949493375 is an apocalyptic number.

1949493375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1949493375 is a deficient number, since it is larger than the sum of its proper divisors (1564795377).

1949493375 is a wasteful number, since it uses less digits than its factorization.

1949493375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732904 (or 1732891 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 1949493375 is about 44153.0675604765. The cubic root of 1949493375 is about 1249.2247726508.

The spelling of 1949493375 in words is "one billion, nine hundred forty-nine million, four hundred ninety-three thousand, three hundred seventy-five".