243700826642 has 48 divisors (see below), whose sum is σ = 458564762880. Its totient is φ = 96278287392.

The previous prime is 243700826617. The next prime is 243700826651. The reversal of 243700826642 is 246628007342.

It is a junction number, because it is equal to n+sod(n) for n = 243700826593 and 243700826602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812063 + ... + 1070909.

It is an arithmetic number, because the mean of its divisors is an integer number (9553432560).

Almost surely, 2^243700826642 is an apocalyptic number.

243700826642 is a deficient number, since it is larger than the sum of its proper divisors (214863936238).

243700826642 is a wasteful number, since it uses less digits than its factorization.

243700826642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259615 (or 259608 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 243700826642 in words is "two hundred forty-three billion, seven hundred million, eight hundred twenty-six thousand, six hundred forty-two".