4521050413 has 6 divisors (see below), whose sum is σ = 4969419182. Its totient is φ = 4110045720.

The previous prime is 4521050371. The next prime is 4521050423. The reversal of 4521050413 is 3140501254.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2902838884 + 1618211529 = 53878^2 + 40227^2 .

It is not a de Polignac number, because 4521050413 - 2¹⁷ = 4520919341 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 (4521050423) 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, 18681906 + ... + 18682147.

Almost surely, 2^4521050413 is an apocalyptic number.

It is an amenable number.

4521050413 is a deficient number, since it is larger than the sum of its proper divisors (448368769).

4521050413 is a wasteful number, since it uses less digits than its factorization.

4521050413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37364075 (or 37364064 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4521050413 is about 67238.7567776204. The cubic root of 4521050413 is about 1653.5339515443.

Adding to 4521050413 its reverse (3140501254), we get a palindrome (7661551667).

The spelling of 4521050413 in words is "four billion, five hundred twenty-one million, fifty thousand, four hundred thirteen".