1374446563 has 4 divisors (see below), whose sum is σ = 1570796080. Its totient is φ = 1178097048.

The previous prime is 1374446519. The next prime is 1374446569. The reversal of 1374446563 is 3656444731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3656444731 = 349 ⋅10476919.

It is a cyclic number.

It is not a de Polignac number, because 1374446563 - 2²⁵ = 1340892131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1374446569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98174748 + ... + 98174761.

It is an arithmetic number, because the mean of its divisors is an integer number (392699020).

Almost surely, 2^1374446563 is an apocalyptic number.

1374446563 is a deficient number, since it is larger than the sum of its proper divisors (196349517).

1374446563 is an equidigital number, since it uses as much as digits as its factorization.

1374446563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196349516.

The product of its digits is 725760, while the sum is 43.

The square root of 1374446563 is about 37073.5291414238. The cubic root of 1374446563 is about 1111.8408334007.

The spelling of 1374446563 in words is "one billion, three hundred seventy-four million, four hundred forty-six thousand, five hundred sixty-three".