33775901690 has 16 divisors (see below), whose sum is σ = 61827075360. Its totient is φ = 13281371280.

The previous prime is 33775901689. The next prime is 33775901693. The reversal of 33775901690 is 9610957733.

It is a super-2 number, since 2×33775901690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33775901693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28623056 + ... + 28624235.

It is an arithmetic number, because the mean of its divisors is an integer number (3864192210).

Almost surely, 2^33775901690 is an apocalyptic number.

33775901690 is a deficient number, since it is larger than the sum of its proper divisors (28051173670).

33775901690 is a wasteful number, since it uses less digits than its factorization.

33775901690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57247357.

The product of its (nonzero) digits is 1071630, while the sum is 50.

The spelling of 33775901690 in words is "thirty-three billion, seven hundred seventy-five million, nine hundred one thousand, six hundred ninety".