3140644874 has 4 divisors (see below), whose sum is σ = 4710967314. Its totient is φ = 1570322436.

The previous prime is 3140644831. The next prime is 3140644891. The reversal of 3140644874 is 4784460413.

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., 2467605625 + 673039249 = 49675^2 + 25943^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785161217 + ... + 785161220.

Almost surely, 2^3140644874 is an apocalyptic number.

3140644874 is a deficient number, since it is larger than the sum of its proper divisors (1570322440).

3140644874 is a wasteful number, since it uses less digits than its factorization.

3140644874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570322439.

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 3140644874 is about 56041.4567440926. The cubic root of 3140644874 is about 1464.4445896708. Note that the first 3 decimals are identical.

The spelling of 3140644874 in words is "three billion, one hundred forty million, six hundred forty-four thousand, eight hundred seventy-four".