13453531472 has 10 divisors (see below), whose sum is σ = 26066217258. Its totient is φ = 6726765728.

The previous prime is 13453531471. The next prime is 13453531499. The reversal of 13453531472 is 27413535431.

It can be written as a sum of positive squares in only one way, i.e., 7530074176 + 5923457296 = 86776^2 + 76964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453531471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420422843 + ... + 420422874.

Almost surely, 2^13453531472 is an apocalyptic number.

It is an amenable number.

13453531472 is a deficient number, since it is larger than the sum of its proper divisors (12612685786).

13453531472 is an equidigital number, since it uses as much as digits as its factorization.

13453531472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840845725 (or 840845719 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The spelling of 13453531472 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-one thousand, four hundred seventy-two".