1480766891 has 2 divisors, whose sum is σ = 1480766892. Its totient is φ = 1480766890.

The previous prime is 1480766857. The next prime is 1480766897. The reversal of 1480766891 is 1986670841.

It is a strong prime.

It is an emirp because it is prime and its reverse (1986670841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1480766891 - 2²⁶ = 1413658027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1480766897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740383445 + 740383446.

It is an arithmetic number, because the mean of its divisors is an integer number (740383446).

Almost surely, 2^1480766891 is an apocalyptic number.

1480766891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480766891 is an equidigital number, since it uses as much as digits as its factorization.

1480766891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 1480766891 is about 38480.7340236644. The cubic root of 1480766891 is about 1139.8006450931.

The spelling of 1480766891 in words is "one billion, four hundred eighty million, seven hundred sixty-six thousand, eight hundred ninety-one".