2871601601746 has 4 divisors (see below), whose sum is σ = 4307402402622. Its totient is φ = 1435800800872.

The previous prime is 2871601601717. The next prime is 2871601601753. The reversal of 2871601601746 is 6471061061782.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2643892260025 + 227709341721 = 1626005^2 + 477189^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2871601601746.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717900400435 + ... + 717900400438.

Almost surely, 2^{2871601601746} is an apocalyptic number.

2871601601746 is a deficient number, since it is larger than the sum of its proper divisors (1435800800876).

2871601601746 is a wasteful number, since it uses less digits than its factorization.

2871601601746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435800800875.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 2871601601746 in words is "two trillion, eight hundred seventy-one billion, six hundred one million, six hundred one thousand, seven hundred forty-six".