2261555743 has 2 divisors, whose sum is σ = 2261555744. Its totient is φ = 2261555742.

The previous prime is 2261555719. The next prime is 2261555759. The reversal of 2261555743 is 3475551622.

2261555743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2261555743 - 2⁵ = 2261555711 is a prime.

It is a super-2 number, since 2×2261555743² = 10229268757392564098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2261555696 and 2261555705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261555783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130777871 + 1130777872.

It is an arithmetic number, because the mean of its divisors is an integer number (1130777872).

Almost surely, 2^2261555743 is an apocalyptic number.

2261555743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261555743 is an equidigital number, since it uses as much as digits as its factorization.

2261555743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 40.

The square root of 2261555743 is about 47555.8171310304. The cubic root of 2261555743 is about 1312.6101723149.

The spelling of 2261555743 in words is "two billion, two hundred sixty-one million, five hundred fifty-five thousand, seven hundred forty-three".