30649023533 has 2 divisors, whose sum is σ = 30649023534. Its totient is φ = 30649023532.

The previous prime is 30649023521. The next prime is 30649023617. The reversal of 30649023533 is 33532094603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30339369124 + 309654409 = 174182^2 + 17597^2 .

It is a cyclic number.

It is not a de Polignac number, because 30649023533 - 2¹² = 30649019437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30649023233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15324511766 + 15324511767.

It is an arithmetic number, because the mean of its divisors is an integer number (15324511767).

Almost surely, 2^30649023533 is an apocalyptic number.

It is an amenable number.

30649023533 is a deficient number, since it is larger than the sum of its proper divisors (1).

30649023533 is an equidigital number, since it uses as much as digits as its factorization.

30649023533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 38.

The spelling of 30649023533 in words is "thirty billion, six hundred forty-nine million, twenty-three thousand, five hundred thirty-three".