481749453 has 6 divisors (see below), whose sum is σ = 695860334. Its totient is φ = 321166296.

The previous prime is 481749449. The next prime is 481749473. The reversal of 481749453 is 354947184.

It can be written as a sum of positive squares in only one way, i.e., 407151684 + 74597769 = 20178^2 + 8637^2 .

It is not a de Polignac number, because 481749453 - 2² = 481749449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 481749399 and 481749408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481749473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26763850 + ... + 26763867.

Almost surely, 2^481749453 is an apocalyptic number.

It is an amenable number.

481749453 is a deficient number, since it is larger than the sum of its proper divisors (214110881).

481749453 is a wasteful number, since it uses less digits than its factorization.

481749453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53527723 (or 53527720 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 481749453 is about 21948.7916068288. The cubic root of 481749453 is about 783.9236078255.

The spelling of 481749453 in words is "four hundred eighty-one million, seven hundred forty-nine thousand, four hundred fifty-three".