5101998245 has 8 divisors (see below), whose sum is σ = 6133161240. Its totient is φ = 4074423040.

The previous prime is 5101998241. The next prime is 5101998271. The reversal of 5101998245 is 5428991015.

It can be written as a sum of positive squares in 4 ways, for example, as 1241364289 + 3860633956 = 35233^2 + 62134^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5101998245 - 2² = 5101998241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5101998196 and 5101998205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5101998241) 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, 893816 + ... + 899505.

It is an arithmetic number, because the mean of its divisors is an integer number (766645155).

Almost surely, 2^5101998245 is an apocalyptic number.

It is an amenable number.

5101998245 is a deficient number, since it is larger than the sum of its proper divisors (1031162995).

5101998245 is a wasteful number, since it uses less digits than its factorization.

5101998245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793895.

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 5101998245 is about 71428.2734286641. The cubic root of 5101998245 is about 1721.5254005455.

The spelling of 5101998245 in words is "five billion, one hundred one million, nine hundred ninety-eight thousand, two hundred forty-five".