728311152429 has 80 divisors (see below), whose sum is σ = 1266737066496. Its totient is φ = 408397075200.

The previous prime is 728311152367. The next prime is 728311152473. The reversal of 728311152429 is 924251113827.

728311152429 is a `hidden beast` number, since 7 + 2 + 8 + 3 + 111 + 524 + 2 + 9 = 666.

It is not a de Polignac number, because 728311152429 - 2¹² = 728311148333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728311152479) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14882569 + ... + 14931425.

Almost surely, 2^728311152429 is an apocalyptic number.

It is an amenable number.

728311152429 is a deficient number, since it is larger than the sum of its proper divisors (538425914067).

728311152429 is a wasteful number, since it uses less digits than its factorization.

728311152429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49368 (or 49359 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 728311152429 in words is "seven hundred twenty-eight billion, three hundred eleven million, one hundred fifty-two thousand, four hundred twenty-nine".