1485967121817 has 4 divisors (see below), whose sum is σ = 1981289495760. Its totient is φ = 990644747876.

The previous prime is 1485967121813. The next prime is 1485967121851. The reversal of 1485967121817 is 7181217695841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1485967121817 - 2² = 1485967121813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1485967121813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247661186967 + ... + 247661186972.

It is an arithmetic number, because the mean of its divisors is an integer number (495322373940).

Almost surely, 2^{1485967121817} is an apocalyptic number.

It is an amenable number.

1485967121817 is a deficient number, since it is larger than the sum of its proper divisors (495322373943).

1485967121817 is an equidigital number, since it uses as much as digits as its factorization.

1485967121817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495322373942.

The product of its digits is 6773760, while the sum is 60.

The spelling of 1485967121817 in words is "one trillion, four hundred eighty-five billion, nine hundred sixty-seven million, one hundred twenty-one thousand, eight hundred seventeen".