2046751643 has 4 divisors (see below), whose sum is σ = 2050426800. Its totient is φ = 2043076488.

The previous prime is 2046751633. The next prime is 2046751673. The reversal of 2046751643 is 3461576402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2046751643 - 2²² = 2042557339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2046751597 and 2046751606.

It is not an unprimeable number, because it can be changed into a prime (2046751633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836743 + ... + 1837856.

It is an arithmetic number, because the mean of its divisors is an integer number (512606700).

Almost surely, 2^2046751643 is an apocalyptic number.

2046751643 is a deficient number, since it is larger than the sum of its proper divisors (3675157).

2046751643 is an equidigital number, since it uses as much as digits as its factorization.

2046751643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675156.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2046751643 is about 45241.0393669288. The cubic root of 2046751643 is about 1269.6627626699.

The spelling of 2046751643 in words is "two billion, forty-six million, seven hundred fifty-one thousand, six hundred forty-three".