29466812281 has 3 divisors (see below), whose sum is σ = 29466983941. Its totient is φ = 29466640622.

The previous prime is 29466812267. The next prime is 29466812327. The reversal of 29466812281 is 18221866492.

The square root of 29466812281 is 171659.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 29466812281 - 2¹⁵ = 29466779513 is a prime.

It is a super-2 number, since 2×29466812281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29466813281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 85830 + ... + 257488.

Almost surely, 2^29466812281 is an apocalyptic number.

29466812281 is the 171659-th square number.

29466812281 is the 85830-th centered octagonal number.

It is an amenable number.

29466812281 is a deficient number, since it is larger than the sum of its proper divisors (171660).

29466812281 is an frugal number, since it uses more digits than its factorization.

29466812281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343318 (or 171659 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

Multiplying 29466812281 by its sum of digits (49), we get a square (1443873801769 = 1201613²).

The spelling of 29466812281 in words is "twenty-nine billion, four hundred sixty-six million, eight hundred twelve thousand, two hundred eighty-one".