2046742634209 has 72 divisors (see below), whose sum is σ = 2709903703680. Its totient is φ = 1537665921792.

The previous prime is 2046742634191. The next prime is 2046742634219. The reversal of 2046742634209 is 9024362476402.

It is not a de Polignac number, because 2046742634209 - 2⁷ = 2046742634081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (2046742634219) 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 71 ways as a sum of consecutive naturals, for example, 26054212 + ... + 26132650.

It is an arithmetic number, because the mean of its divisors is an integer number (37637551440).

Almost surely, 2^{2046742634209} is an apocalyptic number.

It is an amenable number.

2046742634209 is a deficient number, since it is larger than the sum of its proper divisors (663161069471).

2046742634209 is a wasteful number, since it uses less digits than its factorization.

2046742634209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78639 (or 78619 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 2046742634209 in words is "two trillion, forty-six billion, seven hundred forty-two million, six hundred thirty-four thousand, two hundred nine".