1485892817 has 2 divisors, whose sum is σ = 1485892818. Its totient is φ = 1485892816.

The previous prime is 1485892799. The next prime is 1485892819. The reversal of 1485892817 is 7182985841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1319069761 + 166823056 = 36319^2 + 12916^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485892817 - 2⁶ = 1485892753 is a prime.

It is a super-2 number, since 2×1485892817² = 4415754927224390978, which contains 22 as substring.

Together with 1485892819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1485892819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742946408 + 742946409.

It is an arithmetic number, because the mean of its divisors is an integer number (742946409).

Almost surely, 2^1485892817 is an apocalyptic number.

It is an amenable number.

1485892817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485892817 is an equidigital number, since it uses as much as digits as its factorization.

1485892817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 53.

The square root of 1485892817 is about 38547.2802801962. The cubic root of 1485892817 is about 1141.1143348871.

The spelling of 1485892817 in words is "one billion, four hundred eighty-five million, eight hundred ninety-two thousand, eight hundred seventeen".