53747881919 has 2 divisors, whose sum is σ = 53747881920. Its totient is φ = 53747881918.

The previous prime is 53747881897. The next prime is 53747881939. The reversal of 53747881919 is 91918874735.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53747881919 - 2¹² = 53747877823 is a prime.

It is a super-2 number, since 2×53747881919² (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 (53747881939) 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, 26873940959 + 26873940960.

It is an arithmetic number, because the mean of its divisors is an integer number (26873940960).

Almost surely, 2^53747881919 is an apocalyptic number.

53747881919 is a deficient number, since it is larger than the sum of its proper divisors (1).

53747881919 is an equidigital number, since it uses as much as digits as its factorization.

53747881919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 62.

The spelling of 53747881919 in words is "fifty-three billion, seven hundred forty-seven million, eight hundred eighty-one thousand, nine hundred nineteen".