1451781483 has 4 divisors (see below), whose sum is σ = 1935708648. Its totient is φ = 967854320.

The previous prime is 1451781479. The next prime is 1451781493. The reversal of 1451781483 is 3841871541.

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 1451781483 - 2² = 1451781479 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1451781403) 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, 241963578 + ... + 241963583.

It is an arithmetic number, because the mean of its divisors is an integer number (483927162).

Almost surely, 2^1451781483 is an apocalyptic number.

1451781483 is a deficient number, since it is larger than the sum of its proper divisors (483927165).

1451781483 is an equidigital number, since it uses as much as digits as its factorization.

1451781483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483927164.

The product of its digits is 107520, while the sum is 42.

The square root of 1451781483 is about 38102.2503666122. The cubic root of 1451781483 is about 1132.3145404340.

The spelling of 1451781483 in words is "one billion, four hundred fifty-one million, seven hundred eighty-one thousand, four hundred eighty-three".