1485815671 has 2 divisors, whose sum is σ = 1485815672. Its totient is φ = 1485815670.

The previous prime is 1485815641. The next prime is 1485815677. The reversal of 1485815671 is 1765185841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1485815671 - 2⁹ = 1485815159 is a prime.

It is a super-4 number, since 4×1485815671⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1485815677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742907835 + 742907836.

It is an arithmetic number, because the mean of its divisors is an integer number (742907836).

Almost surely, 2^1485815671 is an apocalyptic number.

1485815671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485815671 is an equidigital number, since it uses as much as digits as its factorization.

1485815671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 46.

The square root of 1485815671 is about 38546.2795999821. The cubic root of 1485815671 is about 1141.0945860580.

The spelling of 1485815671 in words is "one billion, four hundred eighty-five million, eight hundred fifteen thousand, six hundred seventy-one".