33157972033 has 2 divisors, whose sum is σ = 33157972034. Its totient is φ = 33157972032.

The previous prime is 33157972019. The next prime is 33157972039. The reversal of 33157972033 is 33027975133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23398903089 + 9759068944 = 152967^2 + 98788^2 .

It is a cyclic number.

It is not a de Polignac number, because 33157972033 - 2¹³ = 33157963841 is a prime.

It is a super-2 number, since 2×33157972033² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33157972039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16578986016 + 16578986017.

It is an arithmetic number, because the mean of its divisors is an integer number (16578986017).

Almost surely, 2^33157972033 is an apocalyptic number.

It is an amenable number.

33157972033 is a deficient number, since it is larger than the sum of its proper divisors (1).

33157972033 is an equidigital number, since it uses as much as digits as its factorization.

33157972033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 43.

The spelling of 33157972033 in words is "thirty-three billion, one hundred fifty-seven million, nine hundred seventy-two thousand, thirty-three".