694238933 has 2 divisors, whose sum is σ = 694238934. Its totient is φ = 694238932.

The previous prime is 694238921. The next prime is 694238939. The reversal of 694238933 is 339832496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624900004 + 69338929 = 24998^2 + 8327^2 .

It is a cyclic number.

It is not a de Polignac number, because 694238933 - 2¹⁴ = 694222549 is a prime.

It is equal to p_35969951 and since 694238933 and 35969951 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694238939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347119466 + 347119467.

It is an arithmetic number, because the mean of its divisors is an integer number (347119467).

Almost surely, 2^694238933 is an apocalyptic number.

It is an amenable number.

694238933 is a deficient number, since it is larger than the sum of its proper divisors (1).

694238933 is an equidigital number, since it uses as much as digits as its factorization.

694238933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 47.

The square root of 694238933 is about 26348.4142407091. The cubic root of 694238933 is about 885.4614436345.

The spelling of 694238933 in words is "six hundred ninety-four million, two hundred thirty-eight thousand, nine hundred thirty-three".