1448872291 has 2 divisors, whose sum is σ = 1448872292. Its totient is φ = 1448872290.

The previous prime is 1448872279. The next prime is 1448872297. The reversal of 1448872291 is 1922788441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1448872291 - 2⁵ = 1448872259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1448872297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724436145 + 724436146.

It is an arithmetic number, because the mean of its divisors is an integer number (724436146).

Almost surely, 2^1448872291 is an apocalyptic number.

1448872291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448872291 is an equidigital number, since it uses as much as digits as its factorization.

1448872291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 46.

The square root of 1448872291 is about 38064.0551045209. The cubic root of 1448872291 is about 1131.5576948546.

The spelling of 1448872291 in words is "one billion, four hundred forty-eight million, eight hundred seventy-two thousand, two hundred ninety-one".