1448268931 has 2 divisors, whose sum is σ = 1448268932. Its totient is φ = 1448268930.

The previous prime is 1448268919. The next prime is 1448268967. The reversal of 1448268931 is 1398628441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1448268931 is a prime.

It is a super-2 number, since 2×1448268931² = 4194965792999765522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1448268971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724134465 + 724134466.

It is an arithmetic number, because the mean of its divisors is an integer number (724134466).

Almost surely, 2^1448268931 is an apocalyptic number.

1448268931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448268931 is an equidigital number, since it uses as much as digits as its factorization.

1448268931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 46.

The square root of 1448268931 is about 38056.1286917101. The cubic root of 1448268931 is about 1131.4005999313.

The spelling of 1448268931 in words is "one billion, four hundred forty-eight million, two hundred sixty-eight thousand, nine hundred thirty-one".