1480255691 has 2 divisors, whose sum is σ = 1480255692. Its totient is φ = 1480255690.

The previous prime is 1480255687. The next prime is 1480255703. The reversal of 1480255691 is 1965520841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1480255691 - 2² = 1480255687 is a prime.

It is not a weakly prime, because it can be changed into another prime (1480255681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740127845 + 740127846.

It is an arithmetic number, because the mean of its divisors is an integer number (740127846).

Almost surely, 2^1480255691 is an apocalyptic number.

1480255691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480255691 is an equidigital number, since it uses as much as digits as its factorization.

1480255691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 1480255691 is about 38474.0911653544. The cubic root of 1480255691 is about 1139.6694668600.

The spelling of 1480255691 in words is "one billion, four hundred eighty million, two hundred fifty-five thousand, six hundred ninety-one".