13820539070591 has 16 divisors (see below), whose sum is σ = 16417733270400. Its totient is φ = 11492413279200.

The previous prime is 13820539070539. The next prime is 13820539070599. The reversal of 13820539070591 is 19507093502831.

13820539070591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13820539070591 - 2²⁶ = 13820471961727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13820539070599) 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, 1140114305 + ... + 1140126426.

It is an arithmetic number, because the mean of its divisors is an integer number (1026108329400).

Almost surely, 2^{13820539070591} is an apocalyptic number.

13820539070591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13820539070591 is a deficient number, since it is larger than the sum of its proper divisors (2597194199809).

13820539070591 is a wasteful number, since it uses less digits than its factorization.

13820539070591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280240790.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 13820539070591 in words is "thirteen trillion, eight hundred twenty billion, five hundred thirty-nine million, seventy thousand, five hundred ninety-one".