693901306601 has 4 divisors (see below), whose sum is σ = 698558362500. Its totient is φ = 689244250704.

The previous prime is 693901306591. The next prime is 693901306603. The reversal of 693901306601 is 106603109396.

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

It can be written as a sum of positive squares in 2 ways, for example, as 203740293376 + 490161013225 = 451376^2 + 700115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-693901306601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (693901306603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328527726 + ... + 2328528023.

It is an arithmetic number, because the mean of its divisors is an integer number (174639590625).

Almost surely, 2^693901306601 is an apocalyptic number.

It is an amenable number.

693901306601 is a deficient number, since it is larger than the sum of its proper divisors (4657055899).

693901306601 is a wasteful number, since it uses less digits than its factorization.

693901306601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657055898.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 693901306601 in words is "six hundred ninety-three billion, nine hundred one million, three hundred six thousand, six hundred one".