472842121191 has 32 divisors (see below), whose sum is σ = 731353079808. Its totient is φ = 268556221440.

The previous prime is 472842121111. The next prime is 472842121211. The reversal of 472842121191 is 191121248274.

It is not a de Polignac number, because 472842121191 - 2¹⁰ = 472842120167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472842121111) 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, 1677991 + ... + 1939416.

It is an arithmetic number, because the mean of its divisors is an integer number (22854783744).

Almost surely, 2^472842121191 is an apocalyptic number.

472842121191 is a deficient number, since it is larger than the sum of its proper divisors (258510958617).

472842121191 is a wasteful number, since it uses less digits than its factorization.

472842121191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617671.

The product of its digits is 64512, while the sum is 42.

The spelling of 472842121191 in words is "four hundred seventy-two billion, eight hundred forty-two million, one hundred twenty-one thousand, one hundred ninety-one".