4047630761 has 4 divisors (see below), whose sum is σ = 4058482692. Its totient is φ = 4036778832.

The previous prime is 4047630751. The next prime is 4047630767. The reversal of 4047630761 is 1670367404.

4047630761 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2381440000 + 1666190761 = 48800^2 + 40819^2 .

It is a cyclic number.

It is not a de Polignac number, because 4047630761 - 2²² = 4043436457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4047630767) 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, 5425406 + ... + 5426151.

It is an arithmetic number, because the mean of its divisors is an integer number (1014620673).

Almost surely, 2^4047630761 is an apocalyptic number.

It is an amenable number.

4047630761 is a deficient number, since it is larger than the sum of its proper divisors (10851931).

4047630761 is a wasteful number, since it uses less digits than its factorization.

4047630761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10851930.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 4047630761 is about 63620.9930840442. The cubic root of 4047630761 is about 1593.6769669550.

The spelling of 4047630761 in words is "four billion, forty-seven million, six hundred thirty thousand, seven hundred sixty-one".