764148551 has 2 divisors, whose sum is σ = 764148552. Its totient is φ = 764148550.

The previous prime is 764148523. The next prime is 764148557. The reversal of 764148551 is 155841467.

It is a strong prime.

It is an emirp because it is prime and its reverse (155841467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764148551 - 2²⁶ = 697039687 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 764148499 and 764148508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764148557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382074275 + 382074276.

It is an arithmetic number, because the mean of its divisors is an integer number (382074276).

Almost surely, 2^764148551 is an apocalyptic number.

764148551 is a deficient number, since it is larger than the sum of its proper divisors (1).

764148551 is an equidigital number, since it uses as much as digits as its factorization.

764148551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 764148551 is about 27643.2369848395. The cubic root of 764148551 is about 914.2379915951.

The spelling of 764148551 in words is "seven hundred sixty-four million, one hundred forty-eight thousand, five hundred fifty-one".