2146563733 has 4 divisors (see below), whose sum is σ = 2198918988. Its totient is φ = 2094208480.

The previous prime is 2146563697. The next prime is 2146563737. The reversal of 2146563733 is 3373656412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1061651889 + 1084911844 = 32583^2 + 32938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146563733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146563737) 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, 26177566 + ... + 26177647.

It is an arithmetic number, because the mean of its divisors is an integer number (549729747).

Almost surely, 2^2146563733 is an apocalyptic number.

It is an amenable number.

2146563733 is a deficient number, since it is larger than the sum of its proper divisors (52355255).

2146563733 is an equidigital number, since it uses as much as digits as its factorization.

2146563733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52355254.

The product of its digits is 272160, while the sum is 40.

The square root of 2146563733 is about 46331.0234400234. The cubic root of 2146563733 is about 1289.9749074702.

The spelling of 2146563733 in words is "two billion, one hundred forty-six million, five hundred sixty-three thousand, seven hundred thirty-three".