481742864531 has 4 divisors (see below), whose sum is σ = 483662159064. Its totient is φ = 479823570000.

The previous prime is 481742864489. The next prime is 481742864539. The reversal of 481742864531 is 135468247184.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481742864531 is a prime.

It is a super-2 number, since 2×481742864531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481742864539) 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, 959646890 + ... + 959647391.

It is an arithmetic number, because the mean of its divisors is an integer number (120915539766).

Almost surely, 2^481742864531 is an apocalyptic number.

481742864531 is a deficient number, since it is larger than the sum of its proper divisors (1919294533).

481742864531 is a wasteful number, since it uses less digits than its factorization.

481742864531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919294532.

The product of its digits is 5160960, while the sum is 53.

The spelling of 481742864531 in words is "four hundred eighty-one billion, seven hundred forty-two million, eight hundred sixty-four thousand, five hundred thirty-one".