1485858931 has 2 divisors, whose sum is σ = 1485858932. Its totient is φ = 1485858930.

The previous prime is 1485858859. The next prime is 1485858947. The reversal of 1485858931 is 1398585841.

It is a strong prime.

It is an emirp because it is prime and its reverse (1398585841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1485858931 is a prime.

It is a super-2 number, since 2×1485858931² = 4415553525664925522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1485858971) 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, 742929465 + 742929466.

It is an arithmetic number, because the mean of its divisors is an integer number (742929466).

Almost surely, 2^1485858931 is an apocalyptic number.

1485858931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485858931 is an equidigital number, since it uses as much as digits as its factorization.

1485858931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 52.

The square root of 1485858931 is about 38546.8407395470. The cubic root of 1485858931 is about 1141.1056603955.

The spelling of 1485858931 in words is "one billion, four hundred eighty-five million, eight hundred fifty-eight thousand, nine hundred thirty-one".