21230196037753 has 2 divisors, whose sum is σ = 21230196037754. Its totient is φ = 21230196037752.

The previous prime is 21230196037681. The next prime is 21230196037807. The reversal of 21230196037753 is 35773069103212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21178652508729 + 51543529024 = 4602027^2 + 227032^2 .

It is a cyclic number.

It is not a de Polignac number, because 21230196037753 - 2³³ = 21221606103161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21230196037697 and 21230196037706.

It is not a weakly prime, because it can be changed into another prime (21230196037553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10615098018876 + 10615098018877.

It is an arithmetic number, because the mean of its divisors is an integer number (10615098018877).

Almost surely, 2^{21230196037753} is an apocalyptic number.

It is an amenable number.

21230196037753 is a deficient number, since it is larger than the sum of its proper divisors (1).

21230196037753 is an equidigital number, since it uses as much as digits as its factorization.

21230196037753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 21230196037753 in words is "twenty-one trillion, two hundred thirty billion, one hundred ninety-six million, thirty-seven thousand, seven hundred fifty-three".