6736964696381 has 2 divisors, whose sum is σ = 6736964696382. Its totient is φ = 6736964696380.

The previous prime is 6736964696323. The next prime is 6736964696393. The reversal of 6736964696381 is 1836964696376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6736962860356 + 1836025 = 2595566^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 6736964696381 - 2⁶ = 6736964696317 is a prime.

It is a super-2 number, since 2×6736964696381² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6736964696299 and 6736964696308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6736964696321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3368482348190 + 3368482348191.

It is an arithmetic number, because the mean of its divisors is an integer number (3368482348191).

Almost surely, 2^{6736964696381} is an apocalyptic number.

It is an amenable number.

6736964696381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6736964696381 is an equidigital number, since it uses as much as digits as its factorization.

6736964696381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1269789696, while the sum is 74.

The spelling of 6736964696381 in words is "six trillion, seven hundred thirty-six billion, nine hundred sixty-four million, six hundred ninety-six thousand, three hundred eighty-one".