53233463137819 has 4 divisors (see below), whose sum is σ = 54471450652696. Its totient is φ = 51995475622944.

The previous prime is 53233463137807. The next prime is 53233463137891. The reversal of 53233463137819 is 91873136433235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53233463137819 - 2⁵ = 53233463137787 is a prime.

It is a super-2 number, since 2×53233463137819² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53233463137219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618993757374 + ... + 618993757459.

It is an arithmetic number, because the mean of its divisors is an integer number (13617862663174).

Almost surely, 2^{53233463137819} is an apocalyptic number.

53233463137819 is a deficient number, since it is larger than the sum of its proper divisors (1237987514877).

53233463137819 is a wasteful number, since it uses less digits than its factorization.

53233463137819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237987514876.

The product of its digits is 29393280, while the sum is 58.

The spelling of 53233463137819 in words is "fifty-three trillion, two hundred thirty-three billion, four hundred sixty-three million, one hundred thirty-seven thousand, eight hundred nineteen".