3556249343 has 2 divisors, whose sum is σ = 3556249344. Its totient is φ = 3556249342.

The previous prime is 3556249337. The next prime is 3556249357. The reversal of 3556249343 is 3439426553.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3556249343 - 2²⁰ = 3555200767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3556249294 and 3556249303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3556249303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1778124671 + 1778124672.

It is an arithmetic number, because the mean of its divisors is an integer number (1778124672).

Almost surely, 2^3556249343 is an apocalyptic number.

3556249343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3556249343 is an equidigital number, since it uses as much as digits as its factorization.

3556249343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 44.

The square root of 3556249343 is about 59634.2967008080. The cubic root of 3556249343 is about 1526.3849238276.

The spelling of 3556249343 in words is "three billion, five hundred fifty-six million, two hundred forty-nine thousand, three hundred forty-three".