21141236707 has 2 divisors, whose sum is σ = 21141236708. Its totient is φ = 21141236706.

The previous prime is 21141236693. The next prime is 21141236713. The reversal of 21141236707 is 70763214112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21141236707 - 2²⁷ = 21007018979 is a prime.

It is not a weakly prime, because it can be changed into another prime (21141236747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10570618353 + 10570618354.

It is an arithmetic number, because the mean of its divisors is an integer number (10570618354).

Almost surely, 2^21141236707 is an apocalyptic number.

21141236707 is a deficient number, since it is larger than the sum of its proper divisors (1).

21141236707 is an equidigital number, since it uses as much as digits as its factorization.

21141236707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 21141236707 in words is "twenty-one billion, one hundred forty-one million, two hundred thirty-six thousand, seven hundred seven".