2235943665938 has 32 divisors (see below), whose sum is σ = 3482728455600. Its totient is φ = 1075328077824.

The previous prime is 2235943665937. The next prime is 2235943665947. The reversal of 2235943665938 is 8395663495322.

It can be written as a sum of positive squares in 8 ways, for example, as 379164072169 + 1856779593769 = 615763^2 + 1362637^2 .

It is not an unprimeable number, because it can be changed into a prime (2235943665937) 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, 128663906 + ... + 128681282.

Almost surely, 2^{2235943665938} is an apocalyptic number.

2235943665938 is a deficient number, since it is larger than the sum of its proper divisors (1246784789662).

2235943665938 is a wasteful number, since it uses less digits than its factorization.

2235943665938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25694.

The product of its digits is 251942400, while the sum is 65.

The spelling of 2235943665938 in words is "two trillion, two hundred thirty-five billion, nine hundred forty-three million, six hundred sixty-five thousand, nine hundred thirty-eight".