1002744019 has 4 divisors (see below), whose sum is σ = 1055520040. Its totient is φ = 949968000.

The previous prime is 1002744007. The next prime is 1002744053. The reversal of 1002744019 is 9104472001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9104472001 = 43 ⋅211731907.

It is a cyclic number.

It is not a de Polignac number, because 1002744019 - 2⁷ = 1002743891 is a prime.

It is a super-2 number, since 2×1002744019² = 2010991135280544722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002744419) 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, 26387982 + ... + 26388019.

It is an arithmetic number, because the mean of its divisors is an integer number (263880010).

Almost surely, 2^1002744019 is an apocalyptic number.

1002744019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1002744019 is a deficient number, since it is larger than the sum of its proper divisors (52776021).

1002744019 is an equidigital number, since it uses as much as digits as its factorization.

1002744019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52776020.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1002744019 is about 31666.1336288471. The cubic root of 1002744019 is about 1000.9138376464.

The spelling of 1002744019 in words is "one billion, two million, seven hundred forty-four thousand, nineteen".