2545953343843 has 128 divisors (see below), whose sum is σ = 3324231680000. Its totient is φ = 1936546859520.

The previous prime is 2545953343823. The next prime is 2545953343849. The reversal of 2545953343843 is 3483433595452.

It is not a de Polignac number, because 2545953343843 - 2³⁷ = 2408514390371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545953343849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2342182846 + ... + 2342183932.

It is an arithmetic number, because the mean of its divisors is an integer number (25970560000).

Almost surely, 2^{2545953343843} is an apocalyptic number.

2545953343843 is a deficient number, since it is larger than the sum of its proper divisors (778278336157).

2545953343843 is a wasteful number, since it uses less digits than its factorization.

2545953343843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1356 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 58.

The spelling of 2545953343843 in words is "two trillion, five hundred forty-five billion, nine hundred fifty-three million, three hundred forty-three thousand, eight hundred forty-three".