1929713492 has 72 divisors (see below), whose sum is σ = 4158282240. Its totient is φ = 779103360.

The previous prime is 1929713491. The next prime is 1929713519. The reversal of 1929713492 is 2943179291.

It is a super-2 number, since 2×1929713492² = 7447588322413668128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1929713491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 709928 + ... + 712640.

It is an arithmetic number, because the mean of its divisors is an integer number (57753920).

Almost surely, 2^1929713492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1929713492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2079141120).

1929713492 is an abundant number, since it is smaller than the sum of its proper divisors (2228568748).

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

1929713492 is a wasteful number, since it uses less digits than its factorization.

1929713492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941 (or 2932 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 1929713492 is about 43928.5043223645. The cubic root of 1929713492 is about 1244.9854553335.

The spelling of 1929713492 in words is "one billion, nine hundred twenty-nine million, seven hundred thirteen thousand, four hundred ninety-two".