263433421042 has 32 divisors (see below), whose sum is σ = 440126265600. Its totient is φ = 117243810000.

The previous prime is 263433421039. The next prime is 263433421049. The reversal of 263433421042 is 240124334362.

It is a junction number, because it is equal to n+sod(n) for n = 263433420989 and 263433421007.

It is not an unprimeable number, because it can be changed into a prime (263433421049) 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, 78492 + ... + 730087.

It is an arithmetic number, because the mean of its divisors is an integer number (13753945800).

Almost surely, 2^263433421042 is an apocalyptic number.

263433421042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

263433421042 is a deficient number, since it is larger than the sum of its proper divisors (176692844558).

263433421042 is a wasteful number, since it uses less digits than its factorization.

263433421042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808902.

The product of its (nonzero) digits is 82944, while the sum is 34.

The spelling of 263433421042 in words is "two hundred sixty-three billion, four hundred thirty-three million, four hundred twenty-one thousand, forty-two".