6242129653 has 2 divisors, whose sum is σ = 6242129654. Its totient is φ = 6242129652.

The previous prime is 6242129617. The next prime is 6242129693. The reversal of 6242129653 is 3569212426.

It is an a-pointer prime, because the next prime (6242129693) can be obtained adding 6242129653 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6180632689 + 61496964 = 78617^2 + 7842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6242129653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6242129693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121064826 + 3121064827.

It is an arithmetic number, because the mean of its divisors is an integer number (3121064827).

Almost surely, 2^6242129653 is an apocalyptic number.

It is an amenable number.

6242129653 is a deficient number, since it is larger than the sum of its proper divisors (1).

6242129653 is an equidigital number, since it uses as much as digits as its factorization.

6242129653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 6242129653 is about 79007.1493790277. The cubic root of 6242129653 is about 1841.2422350452.

The spelling of 6242129653 in words is "six billion, two hundred forty-two million, one hundred twenty-nine thousand, six hundred fifty-three".