33551504990651 has 2 divisors, whose sum is σ = 33551504990652. Its totient is φ = 33551504990650.

The previous prime is 33551504990611. The next prime is 33551504990657. The reversal of 33551504990651 is 15609940515533.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33551504990651 is a prime.

It is a super-2 number, since 2×33551504990651² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33551504990657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16775752495325 + 16775752495326.

It is an arithmetic number, because the mean of its divisors is an integer number (16775752495326).

Almost surely, 2^{33551504990651} is an apocalyptic number.

33551504990651 is a deficient number, since it is larger than the sum of its proper divisors (1).

33551504990651 is an equidigital number, since it uses as much as digits as its factorization.

33551504990651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935000, while the sum is 56.

The spelling of 33551504990651 in words is "thirty-three trillion, five hundred fifty-one billion, five hundred four million, nine hundred ninety thousand, six hundred fifty-one".