2243551544651 has 2 divisors, whose sum is σ = 2243551544652. Its totient is φ = 2243551544650.

The previous prime is 2243551544587. The next prime is 2243551544657. The reversal of 2243551544651 is 1564451553422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2243551544651 - 2⁶ = 2243551544587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2243551544596 and 2243551544605.

It is not a weakly prime, because it can be changed into another prime (2243551544657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121775772325 + 1121775772326.

It is an arithmetic number, because the mean of its divisors is an integer number (1121775772326).

Almost surely, 2^{2243551544651} is an apocalyptic number.

2243551544651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243551544651 is an equidigital number, since it uses as much as digits as its factorization.

2243551544651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880000, while the sum is 47.

The spelling of 2243551544651 in words is "two trillion, two hundred forty-three billion, five hundred fifty-one million, five hundred forty-four thousand, six hundred fifty-one".