4642137411845 has 16 divisors (see below), whose sum is σ = 5611973174640. Its totient is φ = 3686111629824.

The previous prime is 4642137411839. The next prime is 4642137411859. The reversal of 4642137411845 is 5481147312464.

It is a Cunningham number, because it is equal to 2154562²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1469346411556 + 3172791000289 = 1212166^2 + 1781233^2 .

It is a cyclic number.

It is not a de Polignac number, because 4642137411845 - 2⁴ = 4642137411829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4642137411793 and 4642137411802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4740071 + ... + 5634939.

It is an arithmetic number, because the mean of its divisors is an integer number (350748323415).

Almost surely, 2^{4642137411845} is an apocalyptic number.

It is an amenable number.

4642137411845 is a deficient number, since it is larger than the sum of its proper divisors (969835762795).

4642137411845 is a wasteful number, since it uses less digits than its factorization.

4642137411845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902584.

The product of its digits is 2580480, while the sum is 50.

The spelling of 4642137411845 in words is "four trillion, six hundred forty-two billion, one hundred thirty-seven million, four hundred eleven thousand, eight hundred forty-five".