5457927109 has 2 divisors, whose sum is σ = 5457927110. Its totient is φ = 5457927108.

The previous prime is 5457927103. The next prime is 5457927143. The reversal of 5457927109 is 9017297545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2962624900 + 2495302209 = 54430^2 + 49953^2 .

It is a cyclic number.

It is not a de Polignac number, because 5457927109 - 2²⁵ = 5424372677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5457927103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728963554 + 2728963555.

It is an arithmetic number, because the mean of its divisors is an integer number (2728963555).

Almost surely, 2^5457927109 is an apocalyptic number.

It is an amenable number.

5457927109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5457927109 is an equidigital number, since it uses as much as digits as its factorization.

5457927109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 49.

The square root of 5457927109 is about 73877.7849491984. The cubic root of 5457927109 is about 1760.6616732380.

The spelling of 5457927109 in words is "five billion, four hundred fifty-seven million, nine hundred twenty-seven thousand, one hundred nine".