33966961037 has 4 divisors (see below), whose sum is σ = 34024826976. Its totient is φ = 33909095100.

The previous prime is 33966961019. The next prime is 33966961073. The reversal of 33966961037 is 73016966933.

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 33966961037 - 2¹² = 33966956941 is a prime.

It is a super-2 number, since 2×33966961037² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33966961037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33966964037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28932089 + ... + 28933262.

It is an arithmetic number, because the mean of its divisors is an integer number (8506206744).

Almost surely, 2^33966961037 is an apocalyptic number.

It is an amenable number.

33966961037 is a deficient number, since it is larger than the sum of its proper divisors (57865939).

33966961037 is an equidigital number, since it uses as much as digits as its factorization.

33966961037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57865938.

The product of its (nonzero) digits is 3306744, while the sum is 53.

The spelling of 33966961037 in words is "thirty-three billion, nine hundred sixty-six million, nine hundred sixty-one thousand, thirty-seven".