33364345612561 has 4 divisors (see below), whose sum is σ = 33364369539072. Its totient is φ = 33364321686052.

The previous prime is 33364345612541. The next prime is 33364345612627. The reversal of 33364345612561 is 16521654346333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33364345612561 - 2⁵ = 33364345612529 is a prime.

It is a super-2 number, since 2×33364345612561² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33364345612499 and 33364345612508.

It is not an unprimeable number, because it can be changed into a prime (33364345612541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9732985 + ... + 12706678.

It is an arithmetic number, because the mean of its divisors is an integer number (8341092384768).

Almost surely, 2^{33364345612561} is an apocalyptic number.

It is an amenable number.

33364345612561 is a deficient number, since it is larger than the sum of its proper divisors (23926511).

33364345612561 is a wasteful number, since it uses less digits than its factorization.

33364345612561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23926510.

The product of its digits is 13996800, while the sum is 52.

Adding to 33364345612561 its reverse (16521654346333), we get a palindrome (49885999958894).

The spelling of 33364345612561 in words is "thirty-three trillion, three hundred sixty-four billion, three hundred forty-five million, six hundred twelve thousand, five hundred sixty-one".