243451396970 has 32 divisors (see below), whose sum is σ = 478957142016. Its totient is φ = 88695763200.

The previous prime is 243451396943. The next prime is 243451397003. The reversal of 243451396970 is 79693154342.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23092586 + ... + 23103125.

It is an arithmetic number, because the mean of its divisors is an integer number (14967410688).

Almost surely, 2^243451396970 is an apocalyptic number.

243451396970 is a deficient number, since it is larger than the sum of its proper divisors (235505745046).

243451396970 is a wasteful number, since it uses less digits than its factorization.

243451396970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46195766.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 243451396970 in words is "two hundred forty-three billion, four hundred fifty-one million, three hundred ninety-six thousand, nine hundred seventy".