3428001281 has 2 divisors, whose sum is σ = 3428001282. Its totient is φ = 3428001280.

The previous prime is 3428001253. The next prime is 3428001287. The reversal of 3428001281 is 1821008243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2710243600 + 717757681 = 52060^2 + 26791^2 .

It is a cyclic number.

It is not a de Polignac number, because 3428001281 - 2²² = 3423806977 is a prime.

It is a super-2 number, since 2×3428001281² = 23502385565075281922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3428001287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714000640 + 1714000641.

It is an arithmetic number, because the mean of its divisors is an integer number (1714000641).

Almost surely, 2^3428001281 is an apocalyptic number.

It is an amenable number.

3428001281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3428001281 is an equidigital number, since it uses as much as digits as its factorization.

3428001281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 3428001281 is about 58549.1356127484. The cubic root of 3428001281 is about 1507.8112934826.

The spelling of 3428001281 in words is "three billion, four hundred twenty-eight million, one thousand, two hundred eighty-one".