29997465390533 has 2 divisors, whose sum is σ = 29997465390534. Its totient is φ = 29997465390532.

The previous prime is 29997465390517. The next prime is 29997465390589. The reversal of 29997465390533 is 33509356479992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22215781343044 + 7781684047489 = 4713362^2 + 2789567^2 .

It is a cyclic number.

It is not a de Polignac number, because 29997465390533 - 2⁴ = 29997465390517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29997465390833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14998732695266 + 14998732695267.

It is an arithmetic number, because the mean of its divisors is an integer number (14998732695267).

Almost surely, 2^{29997465390533} is an apocalyptic number.

It is an amenable number.

29997465390533 is a deficient number, since it is larger than the sum of its proper divisors (1).

29997465390533 is an equidigital number, since it uses as much as digits as its factorization.

29997465390533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1488034800, while the sum is 74.

The spelling of 29997465390533 in words is "twenty-nine trillion, nine hundred ninety-seven billion, four hundred sixty-five million, three hundred ninety thousand, five hundred thirty-three".