1480729553 has 4 divisors (see below), whose sum is σ = 1515165168. Its totient is φ = 1446293940.

The previous prime is 1480729517. The next prime is 1480729559. The reversal of 1480729553 is 3559270841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1480729553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1480729559) 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, 17217743 + ... + 17217828.

It is an arithmetic number, because the mean of its divisors is an integer number (378791292).

Almost surely, 2^1480729553 is an apocalyptic number.

It is an amenable number.

1480729553 is a deficient number, since it is larger than the sum of its proper divisors (34435615).

1480729553 is an equidigital number, since it uses as much as digits as its factorization.

1480729553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34435614.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 1480729553 is about 38480.2488687378. The cubic root of 1480729553 is about 1139.7910648694.

The spelling of 1480729553 in words is "one billion, four hundred eighty million, seven hundred twenty-nine thousand, five hundred fifty-three".