3746541647 has 4 divisors (see below), whose sum is σ = 3746664576. Its totient is φ = 3746418720.

The previous prime is 3746541641. The next prime is 3746541649. The reversal of 3746541647 is 7461456473.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3746541647 - 2²⁴ = 3729764431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3746541641) 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, 22343 + ... + 89399.

It is an arithmetic number, because the mean of its divisors is an integer number (936666144).

Almost surely, 2^3746541647 is an apocalyptic number.

3746541647 is a deficient number, since it is larger than the sum of its proper divisors (122929).

3746541647 is an equidigital number, since it uses as much as digits as its factorization.

3746541647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122928.

The product of its digits is 1693440, while the sum is 47.

The square root of 3746541647 is about 61208.9997222631. Note that the first 3 decimals coincide. The cubic root of 3746541647 is about 1553.1385102239.

The spelling of 3746541647 in words is "three billion, seven hundred forty-six million, five hundred forty-one thousand, six hundred forty-seven".