1455469091 has 2 divisors, whose sum is σ = 1455469092. Its totient is φ = 1455469090.

The previous prime is 1455469039. The next prime is 1455469121. The reversal of 1455469091 is 1909645541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455469091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1455469021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727734545 + 727734546.

It is an arithmetic number, because the mean of its divisors is an integer number (727734546).

Almost surely, 2^1455469091 is an apocalyptic number.

1455469091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455469091 is an equidigital number, since it uses as much as digits as its factorization.

1455469091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 1455469091 is about 38150.6106242089. The cubic root of 1455469091 is about 1133.2724444124.

The spelling of 1455469091 in words is "one billion, four hundred fifty-five million, four hundred sixty-nine thousand, ninety-one".