1002013519 has 4 divisors (see below), whose sum is σ = 1079091496. Its totient is φ = 924935544.

The previous prime is 1002013517. The next prime is 1002013543. The reversal of 1002013519 is 9153102001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9153102001 = 36191 ⋅252911.

It is not a de Polignac number, because 1002013519 - 2¹ = 1002013517 is a prime.

It is a super-2 number, since 2×1002013519² = 2008062184517526722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002013519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002013517) 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, 38538969 + ... + 38538994.

It is an arithmetic number, because the mean of its divisors is an integer number (269772874).

Almost surely, 2^1002013519 is an apocalyptic number.

1002013519 is a deficient number, since it is larger than the sum of its proper divisors (77077977).

1002013519 is an equidigital number, since it uses as much as digits as its factorization.

1002013519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77077976.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1002013519 is about 31654.5971226929. The cubic root of 1002013519 is about 1000.6707230300.

The spelling of 1002013519 in words is "one billion, two million, thirteen thousand, five hundred nineteen".