33531012077393 has 2 divisors, whose sum is σ = 33531012077394. Its totient is φ = 33531012077392.

The previous prime is 33531012077389. The next prime is 33531012077413. The reversal of 33531012077393 is 39377021013533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31102114763329 + 2428897314064 = 5576927^2 + 1558492^2 .

It is a cyclic number.

It is not a de Polignac number, because 33531012077393 - 2² = 33531012077389 is a prime.

It is a super-2 number, since 2×33531012077393² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33531012077293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16765506038696 + 16765506038697.

It is an arithmetic number, because the mean of its divisors is an integer number (16765506038697).

Almost surely, 2^{33531012077393} is an apocalyptic number.

It is an amenable number.

33531012077393 is a deficient number, since it is larger than the sum of its proper divisors (1).

33531012077393 is an equidigital number, since it uses as much as digits as its factorization.

33531012077393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1071630, while the sum is 47.

The spelling of 33531012077393 in words is "thirty-three trillion, five hundred thirty-one billion, twelve million, seventy-seven thousand, three hundred ninety-three".