3294378247 has 2 divisors, whose sum is σ = 3294378248. Its totient is φ = 3294378246.

The previous prime is 3294378233. The next prime is 3294378259. The reversal of 3294378247 is 7428734923.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7428734923) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3294378247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3294378247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3294375247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1647189123 + 1647189124.

It is an arithmetic number, because the mean of its divisors is an integer number (1647189124).

Almost surely, 2^3294378247 is an apocalyptic number.

3294378247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3294378247 is an equidigital number, since it uses as much as digits as its factorization.

3294378247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 49.

The square root of 3294378247 is about 57396.6745291049. The cubic root of 3294378247 is about 1487.9596484739.

The spelling of 3294378247 in words is "three billion, two hundred ninety-four million, three hundred seventy-eight thousand, two hundred forty-seven".