1929913494 has 16 divisors (see below), whose sum is σ = 3984337920. Its totient is φ = 622552680.

The previous prime is 1929913439. The next prime is 1929913511. The reversal of 1929913494 is 4943199291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5187754 + ... + 5188125.

It is an arithmetic number, because the mean of its divisors is an integer number (249021120).

Almost surely, 2^1929913494 is an apocalyptic number.

1929913494 is an abundant number, since it is smaller than the sum of its proper divisors (2054424426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1929913494 is a wasteful number, since it uses less digits than its factorization.

1929913494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375915.

The product of its digits is 629856, while the sum is 51.

The square root of 1929913494 is about 43930.7807123889. The cubic root of 1929913494 is about 1245.0284653417.

The spelling of 1929913494 in words is "one billion, nine hundred twenty-nine million, nine hundred thirteen thousand, four hundred ninety-four".