5145351391 has 2 divisors, whose sum is σ = 5145351392. Its totient is φ = 5145351390.

The previous prime is 5145351389. The next prime is 5145351401. The reversal of 5145351391 is 1931535415.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5145351391 - 2¹ = 5145351389 is a prime.

Together with 5145351389, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5145351391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5145351191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572675695 + 2572675696.

It is an arithmetic number, because the mean of its divisors is an integer number (2572675696).

Almost surely, 2^5145351391 is an apocalyptic number.

5145351391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145351391 is an equidigital number, since it uses as much as digits as its factorization.

5145351391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 37.

The square root of 5145351391 is about 71731.1047663425. The cubic root of 5145351391 is about 1726.3877529383.

The spelling of 5145351391 in words is "five billion, one hundred forty-five million, three hundred fifty-one thousand, three hundred ninety-one".