53436099369 has 16 divisors (see below), whose sum is σ = 72426654080. Its totient is φ = 35034975360.

The previous prime is 53436099361. The next prime is 53436099383. The reversal of 53436099369 is 96399063435.

It is a happy number.

It is not a de Polignac number, because 53436099369 - 2³ = 53436099361 is a prime.

It is a super-2 number, since 2×53436099369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53436099361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1565517 + ... + 1599285.

It is an arithmetic number, because the mean of its divisors is an integer number (4526665880).

Almost surely, 2^53436099369 is an apocalyptic number.

It is an amenable number.

53436099369 is a deficient number, since it is larger than the sum of its proper divisors (18990554711).

53436099369 is a wasteful number, since it uses less digits than its factorization.

53436099369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42480.

The product of its (nonzero) digits is 14171760, while the sum is 57.

The spelling of 53436099369 in words is "fifty-three billion, four hundred thirty-six million, ninety-nine thousand, three hundred sixty-nine".