1481899427 has 2 divisors, whose sum is σ = 1481899428. Its totient is φ = 1481899426.

The previous prime is 1481899423. The next prime is 1481899477. The reversal of 1481899427 is 7249981841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1481899427 - 2² = 1481899423 is a prime.

It is not a weakly prime, because it can be changed into another prime (1481899421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740949713 + 740949714.

It is an arithmetic number, because the mean of its divisors is an integer number (740949714).

Almost surely, 2^1481899427 is an apocalyptic number.

1481899427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481899427 is an equidigital number, since it uses as much as digits as its factorization.

1481899427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 53.

The square root of 1481899427 is about 38495.4468346583. The cubic root of 1481899427 is about 1140.0911558893.

The spelling of 1481899427 in words is "one billion, four hundred eighty-one million, eight hundred ninety-nine thousand, four hundred twenty-seven".