21603146013674 has 32 divisors (see below), whose sum is σ = 34404534210816. Its totient is φ = 10138439312640.

The previous prime is 21603146013671. The next prime is 21603146013721. The reversal of 21603146013674 is 47631064130612.

It is not an unprimeable number, because it can be changed into a prime (21603146013671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499230659 + ... + 499273929.

It is an arithmetic number, because the mean of its divisors is an integer number (1075141694088).

Almost surely, 2^{21603146013674} is an apocalyptic number.

21603146013674 is a deficient number, since it is larger than the sum of its proper divisors (12801388197142).

21603146013674 is a wasteful number, since it uses less digits than its factorization.

21603146013674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83030.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 21603146013674 in words is "twenty-one trillion, six hundred three billion, one hundred forty-six million, thirteen thousand, six hundred seventy-four".