481267208621 has 16 divisors (see below), whose sum is σ = 497022725376. Its totient is φ = 465768308736.

The previous prime is 481267208603. The next prime is 481267208713. The reversal of 481267208621 is 126802762184.

It is a cyclic number.

It is not a de Polignac number, because 481267208621 - 2²² = 481263014317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481267208321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509410 + ... + 1800236.

It is an arithmetic number, because the mean of its divisors is an integer number (31063920336).

Almost surely, 2^481267208621 is an apocalyptic number.

It is an amenable number.

481267208621 is a deficient number, since it is larger than the sum of its proper divisors (15755516755).

481267208621 is a wasteful number, since it uses less digits than its factorization.

481267208621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291268.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 481267208621 in words is "four hundred eighty-one billion, two hundred sixty-seven million, two hundred eight thousand, six hundred twenty-one".