4661399249857 has 8 divisors (see below), whose sum is σ = 5332732880256. Its totient is φ = 3991420482432.

The previous prime is 4661399249849. The next prime is 4661399249863. The reversal of 4661399249857 is 7589429931664.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4661399249857 - 2³ = 4661399249849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4661399249857.

It is not an unprimeable number, because it can be changed into a prime (4661399249867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338708368 + ... + 338722129.

It is an arithmetic number, because the mean of its divisors is an integer number (666591610032).

Almost surely, 2^{4661399249857} is an apocalyptic number.

It is an amenable number.

4661399249857 is a deficient number, since it is larger than the sum of its proper divisors (671333630399).

4661399249857 is an equidigital number, since it uses as much as digits as its factorization.

4661399249857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677431487.

The product of its digits is 705438720, while the sum is 73.

The spelling of 4661399249857 in words is "four trillion, six hundred sixty-one billion, three hundred ninety-nine million, two hundred forty-nine thousand, eight hundred fifty-seven".