29475166961 has 2 divisors, whose sum is σ = 29475166962. Its totient is φ = 29475166960.

The previous prime is 29475166949. The next prime is 29475166991. The reversal of 29475166961 is 16966157492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27790557025 + 1684609936 = 166705^2 + 41044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29475166961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29475166897 and 29475166906.

It is not a weakly prime, because it can be changed into another prime (29475166901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14737583480 + 14737583481.

It is an arithmetic number, because the mean of its divisors is an integer number (14737583481).

Almost surely, 2^29475166961 is an apocalyptic number.

It is an amenable number.

29475166961 is a deficient number, since it is larger than the sum of its proper divisors (1).

29475166961 is an equidigital number, since it uses as much as digits as its factorization.

29475166961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 56.

The spelling of 29475166961 in words is "twenty-nine billion, four hundred seventy-five million, one hundred sixty-six thousand, nine hundred sixty-one".