694723963 has 2 divisors, whose sum is σ = 694723964. Its totient is φ = 694723962.

The previous prime is 694723949. The next prime is 694723987. The reversal of 694723963 is 369327496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 694723963 - 2¹³ = 694715771 is a prime.

It is not a weakly prime, because it can be changed into another prime (694723903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347361981 + 347361982.

It is an arithmetic number, because the mean of its divisors is an integer number (347361982).

Almost surely, 2^694723963 is an apocalyptic number.

694723963 is a deficient number, since it is larger than the sum of its proper divisors (1).

694723963 is an equidigital number, since it uses as much as digits as its factorization.

694723963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 49.

The square root of 694723963 is about 26357.6167928741. The cubic root of 694723963 is about 885.6676048300.

The spelling of 694723963 in words is "six hundred ninety-four million, seven hundred twenty-three thousand, nine hundred sixty-three".