29622649253 has 2 divisors, whose sum is σ = 29622649254. Its totient is φ = 29622649252.

The previous prime is 29622649249. The next prime is 29622649271. The reversal of 29622649253 is 35294622692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24018180484 + 5604468769 = 154978^2 + 74863^2 .

It is a cyclic number.

It is not a de Polignac number, because 29622649253 - 2² = 29622649249 is a prime.

It is a super-2 number, since 2×29622649253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29622649213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14811324626 + 14811324627.

It is an arithmetic number, because the mean of its divisors is an integer number (14811324627).

Almost surely, 2^29622649253 is an apocalyptic number.

It is an amenable number.

29622649253 is a deficient number, since it is larger than the sum of its proper divisors (1).

29622649253 is an equidigital number, since it uses as much as digits as its factorization.

29622649253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 50.

The spelling of 29622649253 in words is "twenty-nine billion, six hundred twenty-two million, six hundred forty-nine thousand, two hundred fifty-three".