5195871945 has 96 divisors (see below), whose sum is σ = 10035477504. Its totient is φ = 2465769600.

The previous prime is 5195871943. The next prime is 5195871991. The reversal of 5195871945 is 5491785915.

It is a happy number.

5195871945 is a `hidden beast` number, since 5 + 1 + 9 + 587 + 19 + 45 = 666.

5195871945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5195871945 - 2¹ = 5195871943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5195871891 and 5195871900.

It is not an unprimeable number, because it can be changed into a prime (5195871943) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5728182 + ... + 5729088.

It is an arithmetic number, because the mean of its divisors is an integer number (104536224).

Almost surely, 2^5195871945 is an apocalyptic number.

5195871945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5195871945 is a deficient number, since it is larger than the sum of its proper divisors (4839605559).

5195871945 is a wasteful number, since it uses less digits than its factorization.

5195871945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1160 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 54.

The square root of 5195871945 is about 72082.3969149195. The cubic root of 5195871945 is about 1732.0196428185.

The spelling of 5195871945 in words is "five billion, one hundred ninety-five million, eight hundred seventy-one thousand, nine hundred forty-five".