3613970768953 has 2 divisors, whose sum is σ = 3613970768954. Its totient is φ = 3613970768952.

The previous prime is 3613970768921. The next prime is 3613970768963. The reversal of 3613970768953 is 3598670793163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3177224255529 + 436746513424 = 1782477^2 + 660868^2 .

It is a cyclic number.

It is not a de Polignac number, because 3613970768953 - 2⁵ = 3613970768921 is a prime.

It is not a weakly prime, because it can be changed into another prime (3613970768963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806985384476 + 1806985384477.

It is an arithmetic number, because the mean of its divisors is an integer number (1806985384477).

Almost surely, 2^{3613970768953} is an apocalyptic number.

It is an amenable number.

3613970768953 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613970768953 is an equidigital number, since it uses as much as digits as its factorization.

3613970768953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 154314720, while the sum is 67.

The spelling of 3613970768953 in words is "three trillion, six hundred thirteen billion, nine hundred seventy million, seven hundred sixty-eight thousand, nine hundred fifty-three".