2051209596 has 48 divisors (see below), whose sum is σ = 5139106560. Its totient is φ = 634448640.

The previous prime is 2051209591. The next prime is 2051209637. The reversal of 2051209596 is 6959021502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051209591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56326 + ... + 85293.

It is an arithmetic number, because the mean of its divisors is an integer number (107064720).

Almost surely, 2^2051209596 is an apocalyptic number.

It is an amenable number.

2051209596 is an abundant number, since it is smaller than the sum of its proper divisors (3087896964).

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

2051209596 is a wasteful number, since it uses less digits than its factorization.

2051209596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141714 (or 141712 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 2051209596 is about 45290.2814740646. The cubic root of 2051209596 is about 1270.5838958483.

The spelling of 2051209596 in words is "two billion, fifty-one million, two hundred nine thousand, five hundred ninety-six".