5451740191 has 2 divisors, whose sum is σ = 5451740192. Its totient is φ = 5451740190.

The previous prime is 5451740159. The next prime is 5451740207. The reversal of 5451740191 is 1910471545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5451740191 - 2⁵ = 5451740159 is a prime.

It is a super-2 number, since 2×5451740191² = 59442942220329432962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5451740191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451740891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725870095 + 2725870096.

It is an arithmetic number, because the mean of its divisors is an integer number (2725870096).

Almost surely, 2^5451740191 is an apocalyptic number.

5451740191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451740191 is an equidigital number, since it uses as much as digits as its factorization.

5451740191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 5451740191 is about 73835.9004211366. The cubic root of 5451740191 is about 1759.9961465782.

The spelling of 5451740191 in words is "five billion, four hundred fifty-one million, seven hundred forty thousand, one hundred ninety-one".