53494015439 has 2 divisors, whose sum is σ = 53494015440. Its totient is φ = 53494015438.

The previous prime is 53494015423. The next prime is 53494015451. The reversal of 53494015439 is 93451049435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53494015439 - 2⁴ = 53494015423 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 53494015393 and 53494015402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53494015469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26747007719 + 26747007720.

It is an arithmetic number, because the mean of its divisors is an integer number (26747007720).

Almost surely, 2^53494015439 is an apocalyptic number.

53494015439 is a deficient number, since it is larger than the sum of its proper divisors (1).

53494015439 is an equidigital number, since it uses as much as digits as its factorization.

53494015439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 53494015439 in words is "fifty-three billion, four hundred ninety-four million, fifteen thousand, four hundred thirty-nine".