3494843647 has 2 divisors, whose sum is σ = 3494843648. Its totient is φ = 3494843646.

The previous prime is 3494843609. The next prime is 3494843699. The reversal of 3494843647 is 7463484943.

It is an a-pointer prime, because the next prime (3494843699) can be obtained adding 3494843647 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3494843647 - 2⁷ = 3494843519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3494843594 and 3494843603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3494843047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747421823 + 1747421824.

It is an arithmetic number, because the mean of its divisors is an integer number (1747421824).

Almost surely, 2^3494843647 is an apocalyptic number.

3494843647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3494843647 is an equidigital number, since it uses as much as digits as its factorization.

3494843647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 52.

The square root of 3494843647 is about 59117.2026317213. The cubic root of 3494843647 is about 1517.5485135488.

The spelling of 3494843647 in words is "three billion, four hundred ninety-four million, eight hundred forty-three thousand, six hundred forty-seven".