694045463 has 4 divisors (see below), whose sum is σ = 697103160. Its totient is φ = 690987768.

The previous prime is 694045459. The next prime is 694045477. The reversal of 694045463 is 364540496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 694045463 - 2² = 694045459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 694045463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694047463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528508 + ... + 1528961.

It is an arithmetic number, because the mean of its divisors is an integer number (174275790).

Almost surely, 2^694045463 is an apocalyptic number.

694045463 is a deficient number, since it is larger than the sum of its proper divisors (3057697).

694045463 is a wasteful number, since it uses less digits than its factorization.

694045463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057696.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 694045463 is about 26344.7426064481. The cubic root of 694045463 is about 885.3791827426.

The spelling of 694045463 in words is "six hundred ninety-four million, forty-five thousand, four hundred sixty-three".