5019542137898 has 4 divisors (see below), whose sum is σ = 7529313206850. Its totient is φ = 2509771068948.

The previous prime is 5019542137873. The next prime is 5019542137927. The reversal of 5019542137898 is 8987312459105.

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

It can be written as a sum of positive squares in only one way, i.e., 3304167801169 + 1715374336729 = 1817737^2 + 1309723^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5019542137898.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254885534473 + ... + 1254885534476.

Almost surely, 2^{5019542137898} is an apocalyptic number.

5019542137898 is a deficient number, since it is larger than the sum of its proper divisors (2509771068952).

5019542137898 is a wasteful number, since it uses less digits than its factorization.

5019542137898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509771068951.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 5019542137898 in words is "five trillion, nineteen billion, five hundred forty-two million, one hundred thirty-seven thousand, eight hundred ninety-eight".