201433694049 has 128 divisors (see below), whose sum is σ = 365626060800. Its totient is φ = 108389399616.

The previous prime is 201433694039. The next prime is 201433694057. The reversal of 201433694049 is 940496334102.

201433694049 is a `hidden beast` number, since 201 + 4 + 3 + 36 + 9 + 404 + 9 = 666.

It is not a de Polignac number, because 201433694049 - 2¹⁵ = 201433661281 is a prime.

It is a super-2 number, since 2×201433694049² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201433693995 and 201433694013.

It is not an unprimeable number, because it can be changed into a prime (201433694009) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 50318682 + ... + 50322684.

It is an arithmetic number, because the mean of its divisors is an integer number (2856453600).

Almost surely, 2^201433694049 is an apocalyptic number.

It is an amenable number.

201433694049 is a deficient number, since it is larger than the sum of its proper divisors (164192366751).

201433694049 is an equidigital number, since it uses as much as digits as its factorization.

201433694049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 201433694049 in words is "two hundred one billion, four hundred thirty-three million, six hundred ninety-four thousand, forty-nine".