3543744947 has 2 divisors, whose sum is σ = 3543744948. Its totient is φ = 3543744946.

The previous prime is 3543744913. The next prime is 3543745063. The reversal of 3543744947 is 7494473453.

3543744947 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7494473453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3543744947 - 2¹⁴ = 3543728563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3543744895 and 3543744904.

It is not a weakly prime, because it can be changed into another prime (3543743947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1771872473 + 1771872474.

It is an arithmetic number, because the mean of its divisors is an integer number (1771872474).

Almost surely, 2^3543744947 is an apocalyptic number.

3543744947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3543744947 is an equidigital number, since it uses as much as digits as its factorization.

3543744947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 50.

The square root of 3543744947 is about 59529.3620577274. The cubic root of 3543744947 is about 1524.5938105869.

The spelling of 3543744947 in words is "three billion, five hundred forty-three million, seven hundred forty-four thousand, nine hundred forty-seven".