2061919452 has 12 divisors (see below), whose sum is σ = 4811145416. Its totient is φ = 687306480.

The previous prime is 2061919451. The next prime is 2061919487. The reversal of 2061919452 is 2549191602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2061919452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061919451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85913299 + ... + 85913322.

Almost surely, 2^2061919452 is an apocalyptic number.

It is an amenable number.

2061919452 is an abundant number, since it is smaller than the sum of its proper divisors (2749225964).

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

2061919452 is a wasteful number, since it uses less digits than its factorization.

2061919452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171826628 (or 171826626 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2061919452 is about 45408.3632385049. The cubic root of 2061919452 is about 1272.7913991517.

The spelling of 2061919452 in words is "two billion, sixty-one million, nine hundred nineteen thousand, four hundred fifty-two".