70423402191 has 16 divisors (see below), whose sum is σ = 97145304960. Its totient is φ = 45325536480.

The previous prime is 70423402171. The next prime is 70423402199. The reversal of 70423402191 is 19120432407.

It is not a de Polignac number, because 70423402191 - 2⁹ = 70423401679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70423402199) 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, 1003356 + ... + 1071246.

It is an arithmetic number, because the mean of its divisors is an integer number (6071581560).

Almost surely, 2^70423402191 is an apocalyptic number.

70423402191 is a deficient number, since it is larger than the sum of its proper divisors (26721902769).

70423402191 is a wasteful number, since it uses less digits than its factorization.

70423402191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79846.

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 70423402191 its reverse (19120432407), we get a palindrome (89543834598).

The spelling of 70423402191 in words is "seventy billion, four hundred twenty-three million, four hundred two thousand, one hundred ninety-one".