5021641413 has 14 divisors (see below), whose sum is σ = 7529019014. Its totient is φ = 3347760456.

The previous prime is 5021641411. The next prime is 5021641433. The reversal of 5021641413 is 3141461205.

It is a happy number.

5021641413 is a `hidden beast` number, since 5 + 0 + 2 + 1 + 641 + 4 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3294989604 + 1726651809 = 57402^2 + 41553^2 .

It is not a de Polignac number, because 5021641413 - 2¹ = 5021641411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021641411) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3443470 + ... + 3444927.

Almost surely, 2^5021641413 is an apocalyptic number.

It is an amenable number.

5021641413 is a deficient number, since it is larger than the sum of its proper divisors (2507377601).

5021641413 is an frugal number, since it uses more digits than its factorization.

5021641413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6888415 (or 6888400 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5021641413 is about 70863.5407879115. The cubic root of 5021641413 is about 1712.4394821742.

The spelling of 5021641413 in words is "five billion, twenty-one million, six hundred forty-one thousand, four hundred thirteen".