697474463209 has 8 divisors (see below), whose sum is σ = 699905291400. Its totient is φ = 695047535616.

The previous prime is 697474463201. The next prime is 697474463221. The reversal of 697474463209 is 902364474796.

It can be written as a sum of positive squares in 4 ways, for example, as 101806941184 + 595667522025 = 319072^2 + 771795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 697474463209 - 2³ = 697474463201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (697474463201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616674 + ... + 1332379.

It is an arithmetic number, because the mean of its divisors is an integer number (87488161425).

Almost surely, 2^697474463209 is an apocalyptic number.

It is an amenable number.

697474463209 is a deficient number, since it is larger than the sum of its proper divisors (2430828191).

697474463209 is a wasteful number, since it uses less digits than its factorization.

697474463209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950299.

The product of its (nonzero) digits is 54867456, while the sum is 61.

The spelling of 697474463209 in words is "six hundred ninety-seven billion, four hundred seventy-four million, four hundred sixty-three thousand, two hundred nine".