243401413191 has 32 divisors (see below), whose sum is σ = 338838552000. Its totient is φ = 155220860928.

The previous prime is 243401413147. The next prime is 243401413193. The reversal of 243401413191 is 191314104342.

It is not a de Polignac number, because 243401413191 - 2¹⁴ = 243401396807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243401413193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37049755 + ... + 37056323.

It is an arithmetic number, because the mean of its divisors is an integer number (10588704750).

Almost surely, 2^243401413191 is an apocalyptic number.

243401413191 is a deficient number, since it is larger than the sum of its proper divisors (95437138809).

243401413191 is a wasteful number, since it uses less digits than its factorization.

243401413191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 243401413191 in words is "two hundred forty-three billion, four hundred one million, four hundred thirteen thousand, one hundred ninety-one".