5451740891 has 2 divisors, whose sum is σ = 5451740892. Its totient is φ = 5451740890.

The previous prime is 5451740881. The next prime is 5451740929. The reversal of 5451740891 is 1980471545.

5451740891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5451740891 - 2²⁶ = 5384632027 is a prime.

It is not a weakly prime, because it can be changed into another prime (5451740821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725870445 + 2725870446.

It is an arithmetic number, because the mean of its divisors is an integer number (2725870446).

Almost surely, 2^5451740891 is an apocalyptic number.

5451740891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451740891 is an equidigital number, since it uses as much as digits as its factorization.

5451740891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 5451740891 is about 73835.9051613780. The cubic root of 5451740891 is about 1759.9962219056.

The spelling of 5451740891 in words is "five billion, four hundred fifty-one million, seven hundred forty thousand, eight hundred ninety-one".