1384741745 has 8 divisors (see below), whose sum is σ = 1684453416. Its totient is φ = 1092617856.

The previous prime is 1384741739. The next prime is 1384741747. The reversal of 1384741745 is 5471474831.

It can be written as a sum of positive squares in 4 ways, for example, as 976144 + 1383765601 = 988^2 + 37199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1384741745 - 2¹⁸ = 1384479601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1384741696 and 1384741705.

It is not an unprimeable number, because it can be changed into a prime (1384741747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896542 + ... + 1897271.

It is an arithmetic number, because the mean of its divisors is an integer number (210556677).

Almost surely, 2^1384741745 is an apocalyptic number.

It is an amenable number.

1384741745 is a deficient number, since it is larger than the sum of its proper divisors (299711671).

1384741745 is an equidigital number, since it uses as much as digits as its factorization.

1384741745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793891.

The product of its digits is 376320, while the sum is 44.

The square root of 1384741745 is about 37212.1182546761. The cubic root of 1384741745 is about 1114.6099824352.

The spelling of 1384741745 in words is "one billion, three hundred eighty-four million, seven hundred forty-one thousand, seven hundred forty-five".