6454197947 has 2 divisors, whose sum is σ = 6454197948. Its totient is φ = 6454197946.

The previous prime is 6454197929. The next prime is 6454197973. The reversal of 6454197947 is 7497914546.

6454197947 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 6454197947 - 2¹⁶ = 6454132411 is a prime.

It is a super-2 number, since 2×6454197947² = 83313342278118029618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6454197892 and 6454197901.

It is not a weakly prime, because it can be changed into another prime (6454197047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227098973 + 3227098974.

It is an arithmetic number, because the mean of its divisors is an integer number (3227098974).

Almost surely, 2^6454197947 is an apocalyptic number.

6454197947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6454197947 is an equidigital number, since it uses as much as digits as its factorization.

6454197947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 56.

The square root of 6454197947 is about 80338.0230463757. The cubic root of 6454197947 is about 1861.8617373780.

The spelling of 6454197947 in words is "six billion, four hundred fifty-four million, one hundred ninety-seven thousand, nine hundred forty-seven".