2559381909546 has 64 divisors (see below), whose sum is σ = 6445022017536. Its totient is φ = 658192584000.

The previous prime is 2559381909499. The next prime is 2559381909569. The reversal of 2559381909546 is 6459091839552.

It is a super-2 number, since 2×2559381909546² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

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 31 ways as a sum of consecutive naturals, for example, 27378030 + ... + 27471353.

It is an arithmetic number, because the mean of its divisors is an integer number (100703469024).

Almost surely, 2^{2559381909546} is an apocalyptic number.

2559381909546 is an abundant number, since it is smaller than the sum of its proper divisors (3885640107990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2559381909546 is a wasteful number, since it uses less digits than its factorization.

2559381909546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54849507.

The product of its (nonzero) digits is 104976000, while the sum is 66.

The spelling of 2559381909546 in words is "two trillion, five hundred fifty-nine billion, three hundred eighty-one million, nine hundred nine thousand, five hundred forty-six".