695942686248829 has 2 divisors, whose sum is σ = 695942686248830. Its totient is φ = 695942686248828.

The previous prime is 695942686248811. The next prime is 695942686248913. The reversal of 695942686248829 is 928842686249596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434738971656025 + 261203714592804 = 20850395^2 + 16161798^2 .

It is a cyclic number.

It is not a de Polignac number, because 695942686248829 - 2²⁷ = 695942552031101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 695942686248829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695942686248809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347971343124414 + 347971343124415.

It is an arithmetic number, because the mean of its divisors is an integer number (347971343124415).

Almost surely, 2^{695942686248829} is an apocalyptic number.

It is an amenable number.

695942686248829 is a deficient number, since it is larger than the sum of its proper divisors (1).

695942686248829 is an equidigital number, since it uses as much as digits as its factorization.

695942686248829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51597803520, while the sum is 88.

The spelling of 695942686248829 in words is "six hundred ninety-five trillion, nine hundred forty-two billion, six hundred eighty-six million, two hundred forty-eight thousand, eight hundred twenty-nine".