6457147091 has 2 divisors, whose sum is σ = 6457147092. Its totient is φ = 6457147090.

The previous prime is 6457147061. The next prime is 6457147117. The reversal of 6457147091 is 1907417546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6457147091 - 2²² = 6452952787 is a prime.

It is not a weakly prime, because it can be changed into another prime (6457147001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228573545 + 3228573546.

It is an arithmetic number, because the mean of its divisors is an integer number (3228573546).

Almost surely, 2^6457147091 is an apocalyptic number.

6457147091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6457147091 is an equidigital number, since it uses as much as digits as its factorization.

6457147091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 6457147091 is about 80356.3755466858. The cubic root of 6457147091 is about 1862.1452769854.

The spelling of 6457147091 in words is "six billion, four hundred fifty-seven million, one hundred forty-seven thousand, ninety-one".