1645110713 has 16 divisors (see below), whose sum is σ = 1683654336. Its totient is φ = 1607147520.

The previous prime is 1645110671. The next prime is 1645110737. The reversal of 1645110713 is 3170115461.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1645110713 - 2¹⁶ = 1645045177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1645110793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4969958 + ... + 4970288.

It is an arithmetic number, because the mean of its divisors is an integer number (105228396).

Almost surely, 2^1645110713 is an apocalyptic number.

It is an amenable number.

1645110713 is a deficient number, since it is larger than the sum of its proper divisors (38543623).

1645110713 is a wasteful number, since it uses less digits than its factorization.

1645110713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1645110713 is about 40559.9644107339. The cubic root of 1645110713 is about 1180.4974233876.

The spelling of 1645110713 in words is "one billion, six hundred forty-five million, one hundred ten thousand, seven hundred thirteen".