691601433 has 8 divisors (see below), whose sum is σ = 922545888. Its totient is φ = 460862304.

The previous prime is 691601419. The next prime is 691601441. The reversal of 691601433 is 334106196.

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

It is not a de Polignac number, because 691601433 - 2¹⁴ = 691585049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 691601394 and 691601403.

It is not an unprimeable number, because it can be changed into a prime (691601473) 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, 43291 + ... + 57072.

It is an arithmetic number, because the mean of its divisors is an integer number (115318236).

Almost surely, 2^691601433 is an apocalyptic number.

It is an amenable number.

691601433 is a deficient number, since it is larger than the sum of its proper divisors (230944455).

691601433 is a wasteful number, since it uses less digits than its factorization.

691601433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102663.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 691601433 is about 26298.3161628269. The cubic root of 691601433 is about 884.3386945819.

The spelling of 691601433 in words is "six hundred ninety-one million, six hundred one thousand, four hundred thirty-three".