29215822970969 has 2 divisors, whose sum is σ = 29215822970970. Its totient is φ = 29215822970968.

The previous prime is 29215822970863. The next prime is 29215822971029. The reversal of 29215822970969 is 96907922851292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27743027137225 + 1472795833744 = 5267165^2 + 1213588^2 .

It is a cyclic number.

It is not a de Polignac number, because 29215822970969 - 2¹² = 29215822966873 is a prime.

It is a super-2 number, since 2×29215822970969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29215822973969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14607911485484 + 14607911485485.

It is an arithmetic number, because the mean of its divisors is an integer number (14607911485485).

Almost surely, 2^{29215822970969} is an apocalyptic number.

It is an amenable number.

29215822970969 is a deficient number, since it is larger than the sum of its proper divisors (1).

29215822970969 is an equidigital number, since it uses as much as digits as its factorization.

29215822970969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176359680, while the sum is 71.

The spelling of 29215822970969 in words is "twenty-nine trillion, two hundred fifteen billion, eight hundred twenty-two million, nine hundred seventy thousand, nine hundred sixty-nine".