3611363761 has 2 divisors, whose sum is σ = 3611363762. Its totient is φ = 3611363760.

The previous prime is 3611363759. The next prime is 3611363779. The reversal of 3611363761 is 1673631163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3436304400 + 175059361 = 58620^2 + 13231^2 .

It is a cyclic number.

It is not a de Polignac number, because 3611363761 - 2¹ = 3611363759 is a prime.

Together with 3611363759, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3611363761.

It is not a weakly prime, because it can be changed into another prime (3611363711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805681880 + 1805681881.

It is an arithmetic number, because the mean of its divisors is an integer number (1805681881).

Almost surely, 2^3611363761 is an apocalyptic number.

It is an amenable number.

3611363761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3611363761 is an equidigital number, since it uses as much as digits as its factorization.

3611363761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 3611363761 is about 60094.6233951092. The cubic root of 3611363761 is about 1534.2297926672.

The spelling of 3611363761 in words is "three billion, six hundred eleven million, three hundred sixty-three thousand, seven hundred sixty-one".