3340456447 has 2 divisors, whose sum is σ = 3340456448. Its totient is φ = 3340456446.

The previous prime is 3340456423. The next prime is 3340456487. The reversal of 3340456447 is 7446540433.

It is a happy number.

It is an a-pointer prime, because the next prime (3340456487) can be obtained adding 3340456447 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3340456447 - 2³¹ = 1192972799 is a prime.

It is a super-2 number, since 2×3340456447² = 22317298548607727618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3340456487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670228223 + 1670228224.

It is an arithmetic number, because the mean of its divisors is an integer number (1670228224).

Almost surely, 2^3340456447 is an apocalyptic number.

3340456447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340456447 is an equidigital number, since it uses as much as digits as its factorization.

3340456447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 40.

The square root of 3340456447 is about 57796.6819722378. The cubic root of 3340456447 is about 1494.8648769946.

The spelling of 3340456447 in words is "three billion, three hundred forty million, four hundred fifty-six thousand, four hundred forty-seven".