2190831732847 has 4 divisors (see below), whose sum is σ = 2206593112360. Its totient is φ = 2175070353336.

The previous prime is 2190831732787. The next prime is 2190831732883. The reversal of 2190831732847 is 7482371380912.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2190831732847 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 (2190831730847) 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, 7880689548 + ... + 7880689825.

It is an arithmetic number, because the mean of its divisors is an integer number (551648278090).

Almost surely, 2^{2190831732847} is an apocalyptic number.

2190831732847 is a deficient number, since it is larger than the sum of its proper divisors (15761379513).

2190831732847 is a wasteful number, since it uses less digits than its factorization.

2190831732847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15761379512.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 2190831732847 in words is "two trillion, one hundred ninety billion, eight hundred thirty-one million, seven hundred thirty-two thousand, eight hundred forty-seven".