694501376341 has 2 divisors, whose sum is σ = 694501376342. Its totient is φ = 694501376340.

The previous prime is 694501376249. The next prime is 694501376407. The reversal of 694501376341 is 143673105496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464130175441 + 230371200900 = 681271^2 + 479970^2 .

It is a cyclic number.

It is not a de Polignac number, because 694501376341 - 2³¹ = 692353892693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694501374341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347250688170 + 347250688171.

It is an arithmetic number, because the mean of its divisors is an integer number (347250688171).

Almost surely, 2^694501376341 is an apocalyptic number.

It is an amenable number.

694501376341 is a deficient number, since it is larger than the sum of its proper divisors (1).

694501376341 is an equidigital number, since it uses as much as digits as its factorization.

694501376341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 694501376341 in words is "six hundred ninety-four billion, five hundred one million, three hundred seventy-six thousand, three hundred forty-one".