1485964983791 has 4 divisors (see below), whose sum is σ = 1499852507112. Its totient is φ = 1472077460472.

The previous prime is 1485964983779. The next prime is 1485964983803. The reversal of 1485964983791 is 1973894695841.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1485964983779) and next prime (1485964983803).

It is a cyclic number.

It is not a de Polignac number, because 1485964983791 - 2²⁶ = 1485897874927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485964980791) 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, 6943761500 + ... + 6943761713.

It is an arithmetic number, because the mean of its divisors is an integer number (374963126778).

Almost surely, 2^{1485964983791} is an apocalyptic number.

1485964983791 is a deficient number, since it is larger than the sum of its proper divisors (13887523321).

1485964983791 is a wasteful number, since it uses less digits than its factorization.

1485964983791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13887523320.

The product of its digits is 470292480, while the sum is 74.

The spelling of 1485964983791 in words is "one trillion, four hundred eighty-five billion, nine hundred sixty-four million, nine hundred eighty-three thousand, seven hundred ninety-one".