3612724901 has 2 divisors, whose sum is σ = 3612724902. Its totient is φ = 3612724900.

The previous prime is 3612724883. The next prime is 3612724949. The reversal of 3612724901 is 1094272163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3552040801 + 60684100 = 59599^2 + 7790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3612724901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3612724001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806362450 + 1806362451.

It is an arithmetic number, because the mean of its divisors is an integer number (1806362451).

Almost surely, 2^3612724901 is an apocalyptic number.

It is an amenable number.

3612724901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3612724901 is an equidigital number, since it uses as much as digits as its factorization.

3612724901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3612724901 is about 60105.9473014110. The cubic root of 3612724901 is about 1534.4225212659.

The spelling of 3612724901 in words is "three billion, six hundred twelve million, seven hundred twenty-four thousand, nine hundred one".