383533055961 has 16 divisors (see below), whose sum is σ = 560787038208. Its totient is φ = 231227286800.

The previous prime is 383533055951. The next prime is 383533055987. The reversal of 383533055961 is 169550335383.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 383533055961 - 2⁵ = 383533055929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (383533055921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30418341 + ... + 30430946.

It is an arithmetic number, because the mean of its divisors is an integer number (35049189888).

Almost surely, 2^383533055961 is an apocalyptic number.

It is an amenable number.

383533055961 is a deficient number, since it is larger than the sum of its proper divisors (177253982247).

383533055961 is a wasteful number, since it uses less digits than its factorization.

383533055961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60849492.

The product of its (nonzero) digits is 4374000, while the sum is 51.

The spelling of 383533055961 in words is "three hundred eighty-three billion, five hundred thirty-three million, fifty-five thousand, nine hundred sixty-one".