429397481 has 2 divisors, whose sum is σ = 429397482. Its totient is φ = 429397480.

The previous prime is 429397477. The next prime is 429397517. The reversal of 429397481 is 184793924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232837081 + 196560400 = 15259^2 + 14020^2 .

It is a cyclic number.

It is not a de Polignac number, because 429397481 - 2² = 429397477 is a prime.

It is a super-2 number, since 2×429397481² = 368764393378290722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (429397411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214698740 + 214698741.

It is an arithmetic number, because the mean of its divisors is an integer number (214698741).

Almost surely, 2^429397481 is an apocalyptic number.

It is an amenable number.

429397481 is a deficient number, since it is larger than the sum of its proper divisors (1).

429397481 is an equidigital number, since it uses as much as digits as its factorization.

429397481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 429397481 is about 20721.9082374187. The cubic root of 429397481 is about 754.4315303313.

The spelling of 429397481 in words is "four hundred twenty-nine million, three hundred ninety-seven thousand, four hundred eighty-one".