2061986933 has 8 divisors (see below), whose sum is σ = 2195345880. Its totient is φ = 1929968640.

The previous prime is 2061986921. The next prime is 2061986947. The reversal of 2061986933 is 3396891602.

It can be written as a sum of positive squares in 4 ways, for example, as 6543364 + 2055443569 = 2558^2 + 45337^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2061986933 is a prime.

It is a super-2 number, since 2×2061986933² = 8503580223725492978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061986903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331988 + ... + 338141.

It is an arithmetic number, because the mean of its divisors is an integer number (274418235).

Almost surely, 2^2061986933 is an apocalyptic number.

It is an amenable number.

2061986933 is a deficient number, since it is larger than the sum of its proper divisors (133358947).

2061986933 is a wasteful number, since it uses less digits than its factorization.

2061986933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670327.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 2061986933 is about 45409.1062783667. The cubic root of 2061986933 is about 1272.8052839973.

The spelling of 2061986933 in words is "two billion, sixty-one million, nine hundred eighty-six thousand, nine hundred thirty-three".