6151466491 has 2 divisors, whose sum is σ = 6151466492. Its totient is φ = 6151466490.

The previous prime is 6151466479. The next prime is 6151466513. The reversal of 6151466491 is 1946641516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6151466491 - 2⁵ = 6151466459 is a prime.

It is not a weakly prime, because it can be changed into another prime (6151466591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075733245 + 3075733246.

It is an arithmetic number, because the mean of its divisors is an integer number (3075733246).

Almost surely, 2^6151466491 is an apocalyptic number.

6151466491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6151466491 is an equidigital number, since it uses as much as digits as its factorization.

6151466491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 6151466491 is about 78431.2851545861. The cubic root of 6151466491 is about 1832.2844147069.

The spelling of 6151466491 in words is "six billion, one hundred fifty-one million, four hundred sixty-six thousand, four hundred ninety-one".