2061719636 has 12 divisors (see below), whose sum is σ = 3608351040. Its totient is φ = 1030762200.

The previous prime is 2061719617. The next prime is 2061719669. The reversal of 2061719636 is 6369171602.

It is a super-3 number, since 3×2061719636³ (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2061719593 and 2061719602.

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, 45125 + ... + 78483.

It is an arithmetic number, because the mean of its divisors is an integer number (300695920).

Almost surely, 2^2061719636 is an apocalyptic number.

It is an amenable number.

2061719636 is a deficient number, since it is larger than the sum of its proper divisors (1546631404).

2061719636 is a wasteful number, since it uses less digits than its factorization.

2061719636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48814 (or 48812 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 2061719636 is about 45406.1629737638. The cubic root of 2061719636 is about 1272.7502833681.

The spelling of 2061719636 in words is "two billion, sixty-one million, seven hundred nineteen thousand, six hundred thirty-six".