129795473 has 2 divisors, whose sum is σ = 129795474. Its totient is φ = 129795472.

The previous prime is 129795467. The next prime is 129795521. The reversal of 129795473 is 374597921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129572689 + 222784 = 11383^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 129795473 - 2¹² = 129791377 is a prime.

It is a super-2 number, since 2×129795473² = 33693729622587458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (129795073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64897736 + 64897737.

It is an arithmetic number, because the mean of its divisors is an integer number (64897737).

Almost surely, 2^129795473 is an apocalyptic number.

It is an amenable number.

129795473 is a deficient number, since it is larger than the sum of its proper divisors (1).

129795473 is an equidigital number, since it uses as much as digits as its factorization.

129795473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 47.

The square root of 129795473 is about 11392.7816182002. The cubic root of 129795473 is about 506.3138977823.

The spelling of 129795473 in words is "one hundred twenty-nine million, seven hundred ninety-five thousand, four hundred seventy-three".