10139430641 has 2 divisors, whose sum is σ = 10139430642. Its totient is φ = 10139430640.

The previous prime is 10139430619. The next prime is 10139430647. The reversal of 10139430641 is 14603493101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7911213025 + 2228217616 = 88945^2 + 47204^2 .

It is an emirp because it is prime and its reverse (14603493101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10139430641 - 2⁶ = 10139430577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10139430598 and 10139430607.

It is not a weakly prime, because it can be changed into another prime (10139430647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069715320 + 5069715321.

It is an arithmetic number, because the mean of its divisors is an integer number (5069715321).

Almost surely, 2^10139430641 is an apocalyptic number.

It is an amenable number.

10139430641 is a deficient number, since it is larger than the sum of its proper divisors (1).

10139430641 is an equidigital number, since it uses as much as digits as its factorization.

10139430641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 10139430641 in words is "ten billion, one hundred thirty-nine million, four hundred thirty thousand, six hundred forty-one".