5217419045 has 6 divisors (see below), whose sum is σ = 6261096678. Its totient is φ = 4173806024.

The previous prime is 5217419033. The next prime is 5217419047. The reversal of 5217419045 is 5409147125.

It can be written as a sum of positive squares in only one way, i.e., 4173935236 + 1043483809 = 64606^2 + 32303^2 .

It is not a de Polignac number, because 5217419045 - 2¹² = 5217414949 is a prime.

It is a super-2 number, since 2×5217419045² = 54442922982257424050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217419047) 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, 145364 + ... + 177666.

It is an arithmetic number, because the mean of its divisors is an integer number (1043516113).

Almost surely, 2^5217419045 is an apocalyptic number.

It is an amenable number.

5217419045 is a deficient number, since it is larger than the sum of its proper divisors (1043677633).

5217419045 is an frugal number, since it uses more digits than its factorization.

5217419045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64611 (or 32308 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 5217419045 is about 72231.7038771757. The cubic root of 5217419045 is about 1734.4105492354.

The spelling of 5217419045 in words is "five billion, two hundred seventeen million, four hundred nineteen thousand, forty-five".