4861205305807 has 4 divisors (see below), whose sum is σ = 4861236645856. Its totient is φ = 4861173965760.

The previous prime is 4861205305793. The next prime is 4861205305823. The reversal of 4861205305807 is 7085035021684.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4861205305807 - 2¹⁹ = 4861204781519 is a prime.

It is a super-2 number, since 2×4861205305807² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4861205305207) 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, 15436194 + ... + 15747967.

It is an arithmetic number, because the mean of its divisors is an integer number (1215309161464).

Almost surely, 2^{4861205305807} is an apocalyptic number.

4861205305807 is a deficient number, since it is larger than the sum of its proper divisors (31340049).

4861205305807 is a wasteful number, since it uses less digits than its factorization.

4861205305807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31340048.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 4861205305807 in words is "four trillion, eight hundred sixty-one billion, two hundred five million, three hundred five thousand, eight hundred seven".