5196120845 has 6 divisors (see below), whose sum is σ = 6235538442. Its totient is φ = 4156767728.

The previous prime is 5196120823. The next prime is 5196120847. The reversal of 5196120845 is 5480216915.

It can be written as a sum of positive squares in 3 ways, for example, as 3443107684 + 1753013161 = 58678^2 + 41869^2 .

It is not a de Polignac number, because 5196120845 - 2⁶ = 5196120781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5196120847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145067 + ... + 177303.

It is an arithmetic number, because the mean of its divisors is an integer number (1039256407).

Almost surely, 2^5196120845 is an apocalyptic number.

It is an amenable number.

5196120845 is a deficient number, since it is larger than the sum of its proper divisors (1039417597).

5196120845 is an frugal number, since it uses more digits than its factorization.

5196120845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64479 (or 32242 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 5196120845 is about 72084.1233906607. The cubic root of 5196120845 is about 1732.0472989277.

The spelling of 5196120845 in words is "five billion, one hundred ninety-six million, one hundred twenty thousand, eight hundred forty-five".