3790735690661 has 2 divisors, whose sum is σ = 3790735690662. Its totient is φ = 3790735690660.

The previous prime is 3790735690549. The next prime is 3790735690669. The reversal of 3790735690661 is 1660965370973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3790345628161 + 390062500 = 1946881^2 + 19750^2 .

It is an emirp because it is prime and its reverse (1660965370973) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3790735690661 - 2³⁸ = 3515857783717 is a prime.

It is a super-2 number, since 2×3790735690661² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3790735690594 and 3790735690603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3790735690669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1895367845330 + 1895367845331.

It is an arithmetic number, because the mean of its divisors is an integer number (1895367845331).

Almost surely, 2^{3790735690661} is an apocalyptic number.

It is an amenable number.

3790735690661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3790735690661 is an equidigital number, since it uses as much as digits as its factorization.

3790735690661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38578680, while the sum is 62.

The spelling of 3790735690661 in words is "three trillion, seven hundred ninety billion, seven hundred thirty-five million, six hundred ninety thousand, six hundred sixty-one".