2543377352405 has 16 divisors (see below), whose sum is σ = 3057848000064. Its totient is φ = 2030839484160.

The previous prime is 2543377352363. The next prime is 2543377352429. The reversal of 2543377352405 is 5042537733452.

It is not a de Polignac number, because 2543377352405 - 2¹⁶ = 2543377286869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20456909 + ... + 20580861.

It is an arithmetic number, because the mean of its divisors is an integer number (191115500004).

Almost surely, 2^{2543377352405} is an apocalyptic number.

It is an amenable number.

2543377352405 is a deficient number, since it is larger than the sum of its proper divisors (514470647659).

2543377352405 is a wasteful number, since it uses less digits than its factorization.

2543377352405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131716.

The product of its (nonzero) digits is 10584000, while the sum is 50.

The spelling of 2543377352405 in words is "two trillion, five hundred forty-three billion, three hundred seventy-seven million, three hundred fifty-two thousand, four hundred five".