3895002514661 has 2 divisors, whose sum is σ = 3895002514662. Its totient is φ = 3895002514660.

The previous prime is 3895002514619. The next prime is 3895002514681. The reversal of 3895002514661 is 1664152005983.

3895002514661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3885310112161 + 9692402500 = 1971119^2 + 98450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3895002514661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3895002514681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947501257330 + 1947501257331.

It is an arithmetic number, because the mean of its divisors is an integer number (1947501257331).

Almost surely, 2^{3895002514661} is an apocalyptic number.

It is an amenable number.

3895002514661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3895002514661 is an equidigital number, since it uses as much as digits as its factorization.

3895002514661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 3895002514661 in words is "three trillion, eight hundred ninety-five billion, two million, five hundred fourteen thousand, six hundred sixty-one".