2148672203691 has 8 divisors (see below), whose sum is σ = 3085272907920. Its totient is φ = 1322259817632.

The previous prime is 2148672203669. The next prime is 2148672203747. The reversal of 2148672203691 is 1963022768412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2148672203691 - 2⁵ = 2148672203659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2148672201691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27547079496 + ... + 27547079573.

It is an arithmetic number, because the mean of its divisors is an integer number (385659113490).

Almost surely, 2^{2148672203691} is an apocalyptic number.

2148672203691 is a deficient number, since it is larger than the sum of its proper divisors (936600704229).

2148672203691 is a wasteful number, since it uses less digits than its factorization.

2148672203691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55094159085.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 2148672203691 in words is "two trillion, one hundred forty-eight billion, six hundred seventy-two million, two hundred three thousand, six hundred ninety-one".