35657143873 has 6 divisors (see below), whose sum is σ = 38610990294. Its totient is φ = 32914286496.

The previous prime is 35657143861. The next prime is 35657143891. The reversal of 35657143873 is 37834175653.

It can be written as a sum of positive squares in 3 ways, for example, as 1112089104 + 34545054769 = 33348^2 + 185863^2 .

It is a de Polignac number, because none of the positive numbers 2^k-35657143873 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 35657143873.

It is not an unprimeable number, because it can be changed into a prime (35657146873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105494340 + ... + 105494677.

It is an arithmetic number, because the mean of its divisors is an integer number (6435165049).

Almost surely, 2^35657143873 is an apocalyptic number.

It is an amenable number.

35657143873 is a deficient number, since it is larger than the sum of its proper divisors (2953846421).

35657143873 is a wasteful number, since it uses less digits than its factorization.

35657143873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210989043 (or 210989030 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 52.

The spelling of 35657143873 in words is "thirty-five billion, six hundred fifty-seven million, one hundred forty-three thousand, eight hundred seventy-three".