247334144929 has 9 divisors (see below), whose sum is σ = 248617380531. Its totient is φ = 246057506520.

The previous prime is 247334144923. The next prime is 247334144957. The reversal of 247334144929 is 929441433742.

It is a happy number.

The square root of 247334144929 is 497327.

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

It can be written as a sum of positive squares in only one way, i.e., 44967323025 + 202366821904 = 212055^2 + 449852^2 .

It is not a de Polignac number, because 247334144929 - 2¹⁹ = 247333620641 is a prime.

It is a super-2 number, since 2×247334144929² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247334144923) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104934819 + ... + 104937175.

Almost surely, 2^247334144929 is an apocalyptic number.

247334144929 is the 497327-th square number.

247334144929 is the 248664-th centered octagonal number.

It is an amenable number.

247334144929 is a deficient number, since it is larger than the sum of its proper divisors (1283235602).

247334144929 is an frugal number, since it uses more digits than its factorization.

247334144929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136 (or 2568 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The spelling of 247334144929 in words is "two hundred forty-seven billion, three hundred thirty-four million, one hundred forty-four thousand, nine hundred twenty-nine".