2146612023547 has 4 divisors (see below), whose sum is σ = 2146853577616. Its totient is φ = 2146370469480.

The previous prime is 2146612023533. The next prime is 2146612023601. The reversal of 2146612023547 is 7453202166412.

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 2146612023547 - 2⁷ = 2146612023419 is a prime.

It is a super-2 number, since 2×2146612023547² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146622023547) 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, 120763704 + ... + 120781477.

It is an arithmetic number, because the mean of its divisors is an integer number (536713394404).

Almost surely, 2^{2146612023547} is an apocalyptic number.

2146612023547 is a deficient number, since it is larger than the sum of its proper divisors (241554069).

2146612023547 is an equidigital number, since it uses as much as digits as its factorization.

2146612023547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241554068.

The product of its (nonzero) digits is 483840, while the sum is 43.

Adding to 2146612023547 its reverse (7453202166412), we get a palindrome (9599814189959).

The spelling of 2146612023547 in words is "two trillion, one hundred forty-six billion, six hundred twelve million, twenty-three thousand, five hundred forty-seven".