481945152981 has 8 divisors (see below), whose sum is σ = 651396188800. Its totient is φ = 316895442912.

The previous prime is 481945152937. The next prime is 481945153007. The reversal of 481945152981 is 189251549184.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-481945152981 is a prime.

It is a super-2 number, since 2×481945152981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481945152911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100331181 + ... + 1100331618.

It is an arithmetic number, because the mean of its divisors is an integer number (81424523600).

Almost surely, 2^481945152981 is an apocalyptic number.

It is an amenable number.

481945152981 is a deficient number, since it is larger than the sum of its proper divisors (169451035819).

481945152981 is a wasteful number, since it uses less digits than its factorization.

481945152981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200662875.

The product of its digits is 4147200, while the sum is 57.

The spelling of 481945152981 in words is "four hundred eighty-one billion, nine hundred forty-five million, one hundred fifty-two thousand, nine hundred eighty-one".