4138344998 has 4 divisors (see below), whose sum is σ = 6207517500. Its totient is φ = 2069172498.

The previous prime is 4138344997. The next prime is 4138345009. The reversal of 4138344998 is 8994438314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8994438314 = 2 ⋅4497219157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138344997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034586248 + ... + 1034586251.

It is an arithmetic number, because the mean of its divisors is an integer number (1551879375).

Almost surely, 2^4138344998 is an apocalyptic number.

4138344998 is a deficient number, since it is larger than the sum of its proper divisors (2069172502).

4138344998 is a wasteful number, since it uses less digits than its factorization.

4138344998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069172501.

The product of its digits is 2985984, while the sum is 53.

The square root of 4138344998 is about 64329.9696719966. The cubic root of 4138344998 is about 1605.4947796358.

The spelling of 4138344998 in words is "four billion, one hundred thirty-eight million, three hundred forty-four thousand, nine hundred ninety-eight".