1643475742314 has 64 divisors (see below), whose sum is σ = 3815806095360. Its totient is φ = 462194994240.

The previous prime is 1643475742303. The next prime is 1643475742319. The reversal of 1643475742314 is 4132475743461.

It is not an unprimeable number, because it can be changed into a prime (1643475742319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74872 + ... + 1814540.

It is an arithmetic number, because the mean of its divisors is an integer number (59621970240).

Almost surely, 2^{1643475742314} is an apocalyptic number.

1643475742314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1643475742314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1907903047680).

1643475742314 is an abundant number, since it is smaller than the sum of its proper divisors (2172330353046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1643475742314 is a wasteful number, since it uses less digits than its factorization.

1643475742314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740035.

The product of its digits is 6773760, while the sum is 51.

The spelling of 1643475742314 in words is "one trillion, six hundred forty-three billion, four hundred seventy-five million, seven hundred forty-two thousand, three hundred fourteen".