1481780567 has 4 divisors (see below), whose sum is σ = 1486051176. Its totient is φ = 1477509960.

The previous prime is 1481780561. The next prime is 1481780581. The reversal of 1481780567 is 7650871841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1481780567 - 2²⁶ = 1414671703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481780561) 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, 2134784 + ... + 2135477.

It is an arithmetic number, because the mean of its divisors is an integer number (371512794).

Almost surely, 2^1481780567 is an apocalyptic number.

1481780567 is a deficient number, since it is larger than the sum of its proper divisors (4270609).

1481780567 is an equidigital number, since it uses as much as digits as its factorization.

1481780567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270608.

The product of its (nonzero) digits is 376320, while the sum is 47.

The square root of 1481780567 is about 38493.9029847585. The cubic root of 1481780567 is about 1140.0606736457.

The spelling of 1481780567 in words is "one billion, four hundred eighty-one million, seven hundred eighty thousand, five hundred sixty-seven".