21425714075753 has 16 divisors (see below), whose sum is σ = 23103148348560. Its totient is φ = 19752474433536.

The previous prime is 21425714075699. The next prime is 21425714075761. The reversal of 21425714075753 is 35757041752412.

It can be written as a sum of positive squares in 8 ways, for example, as 6776087960464 + 14649626115289 = 2603092^2 + 3827483^2 .

It is not a de Polignac number, because 21425714075753 - 2²² = 21425709881449 is a prime.

It is a super-2 number, since 2×21425714075753² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21425714075695 and 21425714075704.

It is not an unprimeable number, because it can be changed into a prime (21425714005753) 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, 60839051 + ... + 61190207.

It is an arithmetic number, because the mean of its divisors is an integer number (1443946771785).

Almost surely, 2^{21425714075753} is an apocalyptic number.

It is an amenable number.

21425714075753 is a deficient number, since it is larger than the sum of its proper divisors (1677434272807).

21425714075753 is a wasteful number, since it uses less digits than its factorization.

21425714075753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357116.

The product of its (nonzero) digits is 8232000, while the sum is 53.

The spelling of 21425714075753 in words is "twenty-one trillion, four hundred twenty-five billion, seven hundred fourteen million, seventy-five thousand, seven hundred fifty-three".