3478249427 has 2 divisors, whose sum is σ = 3478249428. Its totient is φ = 3478249426.

The previous prime is 3478249373. The next prime is 3478249433. The reversal of 3478249427 is 7249428743.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3478249427 - 2²⁰ = 3477200851 is a prime.

It is not a weakly prime, because it can be changed into another prime (3478249477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739124713 + 1739124714.

It is an arithmetic number, because the mean of its divisors is an integer number (1739124714).

Almost surely, 2^3478249427 is an apocalyptic number.

3478249427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478249427 is an equidigital number, since it uses as much as digits as its factorization.

3478249427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 50.

The square root of 3478249427 is about 58976.6854528126. The cubic root of 3478249427 is about 1515.1428268516.

The spelling of 3478249427 in words is "three billion, four hundred seventy-eight million, two hundred forty-nine thousand, four hundred twenty-seven".