22773537963 has 16 divisors (see below), whose sum is σ = 36805718400. Its totient is φ = 13802144040.

The previous prime is 22773537949. The next prime is 22773537973. The reversal of 22773537963 is 36973537722.

22773537963 is a `hidden beast` number, since 227 + 7 + 353 + 7 + 9 + 63 = 666.

It is not a de Polignac number, because 22773537963 - 2¹³ = 22773529771 is a prime.

It is a super-3 number, since 3×22773537963³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22773537973) 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, 38338993 + ... + 38339586.

It is an arithmetic number, because the mean of its divisors is an integer number (2300357400).

Almost surely, 2^22773537963 is an apocalyptic number.

22773537963 is a deficient number, since it is larger than the sum of its proper divisors (14032180437).

22773537963 is a wasteful number, since it uses less digits than its factorization.

22773537963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76678599 (or 76678593 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 54.

The spelling of 22773537963 in words is "twenty-two billion, seven hundred seventy-three million, five hundred thirty-seven thousand, nine hundred sixty-three".