2541646985233 has 2 divisors, whose sum is σ = 2541646985234. Its totient is φ = 2541646985232.

The previous prime is 2541646985161. The next prime is 2541646985243. The reversal of 2541646985233 is 3325896461452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2455887034129 + 85759951104 = 1567127^2 + 292848^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541646985233 - 2¹³ = 2541646977041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2541646985243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270823492616 + 1270823492617.

It is an arithmetic number, because the mean of its divisors is an integer number (1270823492617).

Almost surely, 2^{2541646985233} is an apocalyptic number.

It is an amenable number.

2541646985233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541646985233 is an equidigital number, since it uses as much as digits as its factorization.

2541646985233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37324800, while the sum is 58.

The spelling of 2541646985233 in words is "two trillion, five hundred forty-one billion, six hundred forty-six million, nine hundred eighty-five thousand, two hundred thirty-three".