245791133543 has 2 divisors, whose sum is σ = 245791133544. Its totient is φ = 245791133542.

The previous prime is 245791133519. The next prime is 245791133573. The reversal of 245791133543 is 345331197542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245791133543 - 2²² = 245786939239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245791133573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122895566771 + 122895566772.

It is an arithmetic number, because the mean of its divisors is an integer number (122895566772).

Almost surely, 2^245791133543 is an apocalyptic number.

245791133543 is a deficient number, since it is larger than the sum of its proper divisors (1).

245791133543 is an equidigital number, since it uses as much as digits as its factorization.

245791133543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 47.

The spelling of 245791133543 in words is "two hundred forty-five billion, seven hundred ninety-one million, one hundred thirty-three thousand, five hundred forty-three".