2148410391 has 16 divisors (see below), whose sum is σ = 2964802560. Its totient is φ = 1382391360.

The previous prime is 2148410357. The next prime is 2148410399. The reversal of 2148410391 is 1930148412.

It is a happy number.

It is not a de Polignac number, because 2148410391 - 2¹³ = 2148402199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148410399) 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, 4771 + ... + 65723.

It is an arithmetic number, because the mean of its divisors is an integer number (185300160).

Almost surely, 2^2148410391 is an apocalyptic number.

2148410391 is a deficient number, since it is larger than the sum of its proper divisors (816392169).

2148410391 is a wasteful number, since it uses less digits than its factorization.

2148410391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61366.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2148410391 is about 46350.9481132803. The cubic root of 2148410391 is about 1290.3447170818.

The spelling of 2148410391 in words is "two billion, one hundred forty-eight million, four hundred ten thousand, three hundred ninety-one".