84028451038519 has 4 divisors (see below), whose sum is σ = 90492178041496. Its totient is φ = 77564724035544.

The previous prime is 84028451038517. The next prime is 84028451038573. The reversal of 84028451038519 is 91583015482048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84028451038519 - 2¹ = 84028451038517 is a prime.

It is a super-2 number, since 2×84028451038519² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84028451038517) 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, 3231863501469 + ... + 3231863501494.

It is an arithmetic number, because the mean of its divisors is an integer number (22623044510374).

Almost surely, 2^{84028451038519} is an apocalyptic number.

84028451038519 is a deficient number, since it is larger than the sum of its proper divisors (6463727002977).

84028451038519 is a wasteful number, since it uses less digits than its factorization.

84028451038519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463727002976.

The product of its (nonzero) digits is 11059200, while the sum is 58.

The spelling of 84028451038519 in words is "eighty-four trillion, twenty-eight billion, four hundred fifty-one million, thirty-eight thousand, five hundred nineteen".