2039657934 has 8 divisors (see below), whose sum is σ = 4079315880. Its totient is φ = 679885976.

The previous prime is 2039657911. The next prime is 2039657941. The reversal of 2039657934 is 4397569302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2039657934 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169971489 + ... + 169971500.

It is an arithmetic number, because the mean of its divisors is an integer number (509914485).

Almost surely, 2^2039657934 is an apocalyptic number.

2039657934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2039657934 is a wasteful number, since it uses less digits than its factorization.

2039657934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339942994.

The product of its (nonzero) digits is 1224720, while the sum is 48.

The square root of 2039657934 is about 45162.5722695242. The cubic root of 2039657934 is about 1268.1942497969.

The spelling of 2039657934 in words is "two billion, thirty-nine million, six hundred fifty-seven thousand, nine hundred thirty-four".