3573851873857 has 4 divisors (see below), whose sum is σ = 3632439609556. Its totient is φ = 3515264138160.

The previous prime is 3573851873849. The next prime is 3573851873903. The reversal of 3573851873857 is 7583781583753.

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 84965837121 + 3488886036736 = 291489^2 + 1867856^2 .

It is a cyclic number.

It is not a de Polignac number, because 3573851873857 - 2³ = 3573851873849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3573851873257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29293867758 + ... + 29293867879.

It is an arithmetic number, because the mean of its divisors is an integer number (908109902389).

Almost surely, 2^{3573851873857} is an apocalyptic number.

It is an amenable number.

3573851873857 is a deficient number, since it is larger than the sum of its proper divisors (58587735699).

3573851873857 is an equidigital number, since it uses as much as digits as its factorization.

3573851873857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58587735698.

The product of its digits is 592704000, while the sum is 70.

The spelling of 3573851873857 in words is "three trillion, five hundred seventy-three billion, eight hundred fifty-one million, eight hundred seventy-three thousand, eight hundred fifty-seven".