53143491451 has 2 divisors, whose sum is σ = 53143491452. Its totient is φ = 53143491450.

The previous prime is 53143491449. The next prime is 53143491491. The reversal of 53143491451 is 15419434135.

It is an a-pointer prime, because the next prime (53143491491) can be obtained adding 53143491451 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53143491451 - 2¹ = 53143491449 is a prime.

Together with 53143491449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53143491431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571745725 + 26571745726.

It is an arithmetic number, because the mean of its divisors is an integer number (26571745726).

Almost surely, 2^53143491451 is an apocalyptic number.

53143491451 is a deficient number, since it is larger than the sum of its proper divisors (1).

53143491451 is an equidigital number, since it uses as much as digits as its factorization.

53143491451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The spelling of 53143491451 in words is "fifty-three billion, one hundred forty-three million, four hundred ninety-one thousand, four hundred fifty-one".