3600749820061 has 2 divisors, whose sum is σ = 3600749820062. Its totient is φ = 3600749820060.

The previous prime is 3600749820049. The next prime is 3600749820077. The reversal of 3600749820061 is 1600289470063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3107707111161 + 493042708900 = 1762869^2 + 702170^2 .

It is a cyclic number.

It is not a de Polignac number, because 3600749820061 - 2⁵ = 3600749820029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3600749819993 and 3600749820020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3600749820091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800374910030 + 1800374910031.

It is an arithmetic number, because the mean of its divisors is an integer number (1800374910031).

Almost surely, 2^{3600749820061} is an apocalyptic number.

It is an amenable number.

3600749820061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3600749820061 is an equidigital number, since it uses as much as digits as its factorization.

3600749820061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 3600749820061 in words is "three trillion, six hundred billion, seven hundred forty-nine million, eight hundred twenty thousand, sixty-one".