33645337051 has 2 divisors, whose sum is σ = 33645337052. Its totient is φ = 33645337050.

The previous prime is 33645337013. The next prime is 33645337067. The reversal of 33645337051 is 15073354633.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33645337051 - 2²¹ = 33643239899 is a prime.

It is a super-2 number, since 2×33645337051² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33645336995 and 33645337013.

It is not a weakly prime, because it can be changed into another prime (33645337151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16822668525 + 16822668526.

It is an arithmetic number, because the mean of its divisors is an integer number (16822668526).

Almost surely, 2^33645337051 is an apocalyptic number.

33645337051 is a deficient number, since it is larger than the sum of its proper divisors (1).

33645337051 is an equidigital number, since it uses as much as digits as its factorization.

33645337051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 40.

The spelling of 33645337051 in words is "thirty-three billion, six hundred forty-five million, three hundred thirty-seven thousand, fifty-one".