3144728897 has 2 divisors, whose sum is σ = 3144728898. Its totient is φ = 3144728896.

The previous prime is 3144728879. The next prime is 3144728903. The reversal of 3144728897 is 7988274413.

Together with previous prime (3144728879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2326711696 + 818017201 = 48236^2 + 28601^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144728897 - 2¹² = 3144724801 is a prime.

It is not a weakly prime, because it can be changed into another prime (3144724897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572364448 + 1572364449.

It is an arithmetic number, because the mean of its divisors is an integer number (1572364449).

Almost surely, 2^3144728897 is an apocalyptic number.

It is an amenable number.

3144728897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144728897 is an equidigital number, since it uses as much as digits as its factorization.

3144728897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 53.

The square root of 3144728897 is about 56077.8824225737. The cubic root of 3144728897 is about 1465.0790915067.

The spelling of 3144728897 in words is "three billion, one hundred forty-four million, seven hundred twenty-eight thousand, eight hundred ninety-seven".