33897550413 has 16 divisors (see below), whose sum is σ = 45359329280. Its totient is φ = 22517184816.

The previous prime is 33897550369. The next prime is 33897550433. The reversal of 33897550413 is 31405579833.

It is not a de Polignac number, because 33897550413 - 2¹² = 33897546317 is a prime.

It is a super-2 number, since 2×33897550413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33897550433) 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 15 ways as a sum of consecutive naturals, for example, 1222206 + ... + 1249632.

It is an arithmetic number, because the mean of its divisors is an integer number (2834958080).

Almost surely, 2^33897550413 is an apocalyptic number.

It is an amenable number.

33897550413 is a deficient number, since it is larger than the sum of its proper divisors (11461778867).

33897550413 is a wasteful number, since it uses less digits than its factorization.

33897550413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28896.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 33897550413 in words is "thirty-three billion, eight hundred ninety-seven million, five hundred fifty thousand, four hundred thirteen".