2342288019891 has 16 divisors (see below), whose sum is σ = 3240158727168. Its totient is φ = 1503482719200.

The previous prime is 2342288019889. The next prime is 2342288019943. The reversal of 2342288019891 is 1989108822432.

It is not a de Polignac number, because 2342288019891 - 2¹ = 2342288019889 is a prime.

It is a super-2 number, since 2×2342288019891² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2342288019821) 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, 63905265 + ... + 63941906.

It is an arithmetic number, because the mean of its divisors is an integer number (202509920448).

Almost surely, 2^{2342288019891} is an apocalyptic number.

2342288019891 is a deficient number, since it is larger than the sum of its proper divisors (897870707277).

2342288019891 is a wasteful number, since it uses less digits than its factorization.

2342288019891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127847402.

The product of its (nonzero) digits is 3981312, while the sum is 57.

The spelling of 2342288019891 in words is "two trillion, three hundred forty-two billion, two hundred eighty-eight million, nineteen thousand, eight hundred ninety-one".