694914381 has 12 divisors (see below), whose sum is σ = 1147160352. Its totient is φ = 397093896.

The previous prime is 694914373. The next prime is 694914401. The reversal of 694914381 is 183419496.

It is not a de Polignac number, because 694914381 - 2³ = 694914373 is a prime.

It is a super-2 number, since 2×694914381² = 965811993841226322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694914301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5515131 + ... + 5515256.

It is an arithmetic number, because the mean of its divisors is an integer number (95596696).

Almost surely, 2^694914381 is an apocalyptic number.

It is an amenable number.

694914381 is a deficient number, since it is larger than the sum of its proper divisors (452245971).

694914381 is a wasteful number, since it uses less digits than its factorization.

694914381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030400 (or 11030397 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 694914381 is about 26361.2287460202. The cubic root of 694914381 is about 885.7485154540.

The spelling of 694914381 in words is "six hundred ninety-four million, nine hundred fourteen thousand, three hundred eighty-one".