5020071509 has 4 divisors (see below), whose sum is σ = 5021642016. Its totient is φ = 5018501004.

The previous prime is 5020071473. The next prime is 5020071541. The reversal of 5020071509 is 9051700205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9051700205 = 5 ⋅1810340041.

It is a cyclic number.

It is not a de Polignac number, because 5020071509 - 2¹² = 5020067413 is a prime.

It is a super-2 number, since 2×5020071509² = 50402235910947074162, 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 (5020071569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780449 + ... + 786854.

It is an arithmetic number, because the mean of its divisors is an integer number (1255410504).

Almost surely, 2^5020071509 is an apocalyptic number.

It is an amenable number.

5020071509 is a deficient number, since it is larger than the sum of its proper divisors (1570507).

5020071509 is a wasteful number, since it uses less digits than its factorization.

5020071509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570506.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 5020071509 is about 70852.4629705983. The cubic root of 5020071509 is about 1712.2610115924.

The spelling of 5020071509 in words is "five billion, twenty million, seventy-one thousand, five hundred nine".