53889436919 has 2 divisors, whose sum is σ = 53889436920. Its totient is φ = 53889436918.

The previous prime is 53889436889. The next prime is 53889436961. The reversal of 53889436919 is 91963498835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53889436919 - 2²⁴ = 53872659703 is a prime.

It is a super-2 number, since 2×53889436919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53889436969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26944718459 + 26944718460.

It is an arithmetic number, because the mean of its divisors is an integer number (26944718460).

Almost surely, 2^53889436919 is an apocalyptic number.

53889436919 is a deficient number, since it is larger than the sum of its proper divisors (1).

53889436919 is an equidigital number, since it uses as much as digits as its factorization.

53889436919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50388480, while the sum is 65.

The spelling of 53889436919 in words is "fifty-three billion, eight hundred eighty-nine million, four hundred thirty-six thousand, nine hundred nineteen".