147254436493 has 2 divisors, whose sum is σ = 147254436494. Its totient is φ = 147254436492.

The previous prime is 147254436491. The next prime is 147254436529. The reversal of 147254436493 is 394634452741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145601770084 + 1652666409 = 381578^2 + 40653^2 .

It is a cyclic number.

It is not a de Polignac number, because 147254436493 - 2¹ = 147254436491 is a prime.

Together with 147254436491, 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 147254436493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147254436491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73627218246 + 73627218247.

It is an arithmetic number, because the mean of its divisors is an integer number (73627218247).

Almost surely, 2^147254436493 is an apocalyptic number.

It is an amenable number.

147254436493 is a deficient number, since it is larger than the sum of its proper divisors (1).

147254436493 is an equidigital number, since it uses as much as digits as its factorization.

147254436493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 52.

The spelling of 147254436493 in words is "one hundred forty-seven billion, two hundred fifty-four million, four hundred thirty-six thousand, four hundred ninety-three".