4747661457 has 16 divisors (see below), whose sum is σ = 7892216832. Its totient is φ = 2466317520.

The previous prime is 4747661453. The next prime is 4747661467. The reversal of 4747661457 is 7541667474.

It is a happy number.

It is not a de Polignac number, because 4747661457 - 2² = 4747661453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4747661453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10276093 + ... + 10276554.

It is an arithmetic number, because the mean of its divisors is an integer number (493263552).

Almost surely, 2^4747661457 is an apocalyptic number.

It is an amenable number.

4747661457 is a deficient number, since it is larger than the sum of its proper divisors (3144555375).

4747661457 is a wasteful number, since it uses less digits than its factorization.

4747661457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20552668.

The product of its digits is 3951360, while the sum is 51.

The square root of 4747661457 is about 68903.2760977299. The cubic root of 4747661457 is about 1680.7117941136.

The spelling of 4747661457 in words is "four billion, seven hundred forty-seven million, six hundred sixty-one thousand, four hundred fifty-seven".