694979743 has 2 divisors, whose sum is σ = 694979744. Its totient is φ = 694979742.

The previous prime is 694979713. The next prime is 694979801. The reversal of 694979743 is 347979496.

It is an a-pointer prime, because the next prime (694979801) can be obtained adding 694979743 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 694979743 - 2¹³ = 694971551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694979713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347489871 + 347489872.

It is an arithmetic number, because the mean of its divisors is an integer number (347489872).

Almost surely, 2^694979743 is an apocalyptic number.

694979743 is a deficient number, since it is larger than the sum of its proper divisors (1).

694979743 is an equidigital number, since it uses as much as digits as its factorization.

694979743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 58.

The square root of 694979743 is about 26362.4684542248. The cubic root of 694979743 is about 885.7762850522.

The spelling of 694979743 in words is "six hundred ninety-four million, nine hundred seventy-nine thousand, seven hundred forty-three".