93144487451 has 2 divisors, whose sum is σ = 93144487452. Its totient is φ = 93144487450.

The previous prime is 93144487411. The next prime is 93144487481. The reversal of 93144487451 is 15478444139.

It is a strong prime.

It is an emirp because it is prime and its reverse (15478444139) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93144487451 - 2¹⁰ = 93144486427 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93144487451.

It is not a weakly prime, because it can be changed into another prime (93144487411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46572243725 + 46572243726.

It is an arithmetic number, because the mean of its divisors is an integer number (46572243726).

Almost surely, 2^93144487451 is an apocalyptic number.

93144487451 is a deficient number, since it is larger than the sum of its proper divisors (1).

93144487451 is an equidigital number, since it uses as much as digits as its factorization.

93144487451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 50.

The spelling of 93144487451 in words is "ninety-three billion, one hundred forty-four million, four hundred eighty-seven thousand, four hundred fifty-one".