3747671406818 has 16 divisors (see below), whose sum is σ = 5664686369760. Its totient is φ = 1859443965600.

The previous prime is 3747671406749. The next prime is 3747671406889. The reversal of 3747671406818 is 8186041767473.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5419253 + ... + 6071543.

It is an arithmetic number, because the mean of its divisors is an integer number (354042898110).

Almost surely, 2^{3747671406818} is an apocalyptic number.

3747671406818 is a deficient number, since it is larger than the sum of its proper divisors (1917014962942).

3747671406818 is a wasteful number, since it uses less digits than its factorization.

3747671406818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674353.

The product of its (nonzero) digits is 37933056, while the sum is 62.

The spelling of 3747671406818 in words is "three trillion, seven hundred forty-seven billion, six hundred seventy-one million, four hundred six thousand, eight hundred eighteen".