53489849699 has 32 divisors (see below), whose sum is σ = 68085287424. Its totient is φ = 41263649280.

The previous prime is 53489849671. The next prime is 53489849701. The reversal of 53489849699 is 99694898435.

It is a cyclic number.

It is not a de Polignac number, because 53489849699 - 2²⁰ = 53488801123 is a prime.

It is a super-3 number, since 3×53489849699³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (53489849299) 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 31 ways as a sum of consecutive naturals, for example, 151319 + ... + 360384.

It is an arithmetic number, because the mean of its divisors is an integer number (2127665232).

Almost surely, 2^53489849699 is an apocalyptic number.

53489849699 is a deficient number, since it is larger than the sum of its proper divisors (14595437725).

53489849699 is a wasteful number, since it uses less digits than its factorization.

53489849699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511787.

The product of its digits is 604661760, while the sum is 74.

The spelling of 53489849699 in words is "fifty-three billion, four hundred eighty-nine million, eight hundred forty-nine thousand, six hundred ninety-nine".