53151838737409 has 4 divisors (see below), whose sum is σ = 54387928010416. Its totient is φ = 51915749464404.

The previous prime is 53151838737397. The next prime is 53151838737419. The reversal of 53151838737409 is 90473783815135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53151838737409 - 2¹¹ = 53151838735361 is a prime.

It is a super-2 number, since 2×53151838737409² (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 (53151838737419) 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 in 3 ways as a sum of consecutive naturals, for example, 618044636439 + ... + 618044636524.

It is an arithmetic number, because the mean of its divisors is an integer number (13596982002604).

Almost surely, 2^{53151838737409} is an apocalyptic number.

It is an amenable number.

53151838737409 is a deficient number, since it is larger than the sum of its proper divisors (1236089273007).

53151838737409 is a wasteful number, since it uses less digits than its factorization.

53151838737409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236089273006.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 53151838737409 in words is "fifty-three trillion, one hundred fifty-one billion, eight hundred thirty-eight million, seven hundred thirty-seven thousand, four hundred nine".