3691763688469 has 2 divisors, whose sum is σ = 3691763688470. Its totient is φ = 3691763688468.

The previous prime is 3691763688461. The next prime is 3691763688497. The reversal of 3691763688469 is 9648863671963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3072788125969 + 618975562500 = 1752937^2 + 786750^2 .

It is a cyclic number.

It is not a de Polignac number, because 3691763688469 - 2³ = 3691763688461 is a prime.

It is a super-2 number, since 2×3691763688469² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3691763688395 and 3691763688404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3691763688461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845881844234 + 1845881844235.

It is an arithmetic number, because the mean of its divisors is an integer number (1845881844235).

Almost surely, 2^{3691763688469} is an apocalyptic number.

It is an amenable number.

3691763688469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3691763688469 is an equidigital number, since it uses as much as digits as its factorization.

3691763688469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693052928, while the sum is 76.

The spelling of 3691763688469 in words is "three trillion, six hundred ninety-one billion, seven hundred sixty-three million, six hundred eighty-eight thousand, four hundred sixty-nine".