3861874585274 has 4 divisors (see below), whose sum is σ = 5792811877914. Its totient is φ = 1930937292636.

The previous prime is 3861874585271. The next prime is 3861874585279. The reversal of 3861874585274 is 4725854781683.

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., 3206087208025 + 655787377249 = 1790555^2 + 809807^2 .

It is not an unprimeable number, because it can be changed into a prime (3861874585271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965468646317 + ... + 965468646320.

Almost surely, 2^{3861874585274} is an apocalyptic number.

3861874585274 is a deficient number, since it is larger than the sum of its proper divisors (1930937292640).

3861874585274 is a wasteful number, since it uses less digits than its factorization.

3861874585274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930937292639.

The product of its digits is 361267200, while the sum is 68.

The spelling of 3861874585274 in words is "three trillion, eight hundred sixty-one billion, eight hundred seventy-four million, five hundred eighty-five thousand, two hundred seventy-four".