53708432319 has 8 divisors (see below), whose sum is σ = 79568047920. Its totient is φ = 35805621528.

The previous prime is 53708432317. The next prime is 53708432321. The reversal of 53708432319 is 91323480735.

53708432319 is a `hidden beast` number, since 5 + 370 + 8 + 43 + 231 + 9 = 666.

53708432319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53708432317) and next prime (53708432321).

It is not a de Polignac number, because 53708432319 - 2¹ = 53708432317 is a prime.

It is a super-2 number, since 2×53708432319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53708432311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994600572 + ... + 994600625.

It is an arithmetic number, because the mean of its divisors is an integer number (9946005990).

Almost surely, 2^53708432319 is an apocalyptic number.

53708432319 is a deficient number, since it is larger than the sum of its proper divisors (25859615601).

53708432319 is a wasteful number, since it uses less digits than its factorization.

53708432319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989201206 (or 1989201200 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 53708432319 in words is "fifty-three billion, seven hundred eight million, four hundred thirty-two thousand, three hundred nineteen".