33157274957 has 2 divisors, whose sum is σ = 33157274958. Its totient is φ = 33157274956.

The previous prime is 33157274923. The next prime is 33157274959. The reversal of 33157274957 is 75947275133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19260165961 + 13897108996 = 138781^2 + 117886^2 .

It is a cyclic number.

It is not a de Polignac number, because 33157274957 - 2⁶ = 33157274893 is a prime.

Together with 33157274959, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33157274899 and 33157274908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33157274959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16578637478 + 16578637479.

It is an arithmetic number, because the mean of its divisors is an integer number (16578637479).

Almost surely, 2^33157274957 is an apocalyptic number.

It is an amenable number.

33157274957 is a deficient number, since it is larger than the sum of its proper divisors (1).

33157274957 is an equidigital number, since it uses as much as digits as its factorization.

33157274957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5556600, while the sum is 53.

The spelling of 33157274957 in words is "thirty-three billion, one hundred fifty-seven million, two hundred seventy-four thousand, nine hundred fifty-seven".