1480918891 has 2 divisors, whose sum is σ = 1480918892. Its totient is φ = 1480918890.

The previous prime is 1480918883. The next prime is 1480918961. The reversal of 1480918891 is 1988190841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1480918891 - 2³ = 1480918883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1480918801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740459445 + 740459446.

It is an arithmetic number, because the mean of its divisors is an integer number (740459446).

Almost surely, 2^1480918891 is an apocalyptic number.

1480918891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480918891 is an equidigital number, since it uses as much as digits as its factorization.

1480918891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 49.

The square root of 1480918891 is about 38482.7089872841. The cubic root of 1480918891 is about 1139.8396437524.

The spelling of 1480918891 in words is "one billion, four hundred eighty million, nine hundred eighteen thousand, eight hundred ninety-one".