228136201963 has 16 divisors (see below), whose sum is σ = 230154651936. Its totient is φ = 226126391040.

The previous prime is 228136201919. The next prime is 228136202003. The reversal of 228136201963 is 369102631822.

It is a cyclic number.

It is not a de Polignac number, because 228136201963 - 2¹³ = 228136193771 is a prime.

It is a super-2 number, since 2×228136201963² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228136201903) 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, 178649481 + ... + 178650757.

It is an arithmetic number, because the mean of its divisors is an integer number (14384665746).

Almost surely, 2^228136201963 is an apocalyptic number.

228136201963 is a deficient number, since it is larger than the sum of its proper divisors (2018449973).

228136201963 is a wasteful number, since it uses less digits than its factorization.

228136201963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 228136201963 in words is "two hundred twenty-eight billion, one hundred thirty-six million, two hundred one thousand, nine hundred sixty-three".