697462643 has 4 divisors (see below), whose sum is σ = 697524360. Its totient is φ = 697400928.

The previous prime is 697462637. The next prime is 697462679. The reversal of 697462643 is 346264796.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 697462643 - 2⁸ = 697462387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (697462693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8513 + ... + 38306.

It is an arithmetic number, because the mean of its divisors is an integer number (174381090).

Almost surely, 2^697462643 is an apocalyptic number.

697462643 is a deficient number, since it is larger than the sum of its proper divisors (61717).

697462643 is a wasteful number, since it uses less digits than its factorization.

697462643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61716.

The product of its digits is 1306368, while the sum is 47.

The square root of 697462643 is about 26409.5180380105. The cubic root of 697462643 is about 886.8298793304.

The spelling of 697462643 in words is "six hundred ninety-seven million, four hundred sixty-two thousand, six hundred forty-three".