53137809019 has 2 divisors, whose sum is σ = 53137809020. Its totient is φ = 53137809018.

The previous prime is 53137808993. The next prime is 53137809091. The reversal of 53137809019 is 91090873135.

It is a happy number.

Together with next prime (53137809091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53137809019 - 2¹⁷ = 53137677947 is a prime.

It is a super-2 number, since 2×53137809019² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53137809019.

It is not a weakly prime, because it can be changed into another prime (53137809919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26568904509 + 26568904510.

It is an arithmetic number, because the mean of its divisors is an integer number (26568904510).

Almost surely, 2^53137809019 is an apocalyptic number.

53137809019 is a deficient number, since it is larger than the sum of its proper divisors (1).

53137809019 is an equidigital number, since it uses as much as digits as its factorization.

53137809019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 53137809019 in words is "fifty-three billion, one hundred thirty-seven million, eight hundred nine thousand, nineteen".