4138945298 has 4 divisors (see below), whose sum is σ = 6208417950. Its totient is φ = 2069472648.

The previous prime is 4138945277. The next prime is 4138945373. The reversal of 4138945298 is 8925498314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8925498314 = 2 ⋅4462749157.

It can be written as a sum of positive squares in only one way, i.e., 3242960809 + 895984489 = 56947^2 + 29933^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034736323 + ... + 1034736326.

Almost surely, 2^4138945298 is an apocalyptic number.

4138945298 is a deficient number, since it is larger than the sum of its proper divisors (2069472652).

4138945298 is a wasteful number, since it uses less digits than its factorization.

4138945298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069472651.

The product of its digits is 2488320, while the sum is 53.

The square root of 4138945298 is about 64334.6352907981. The cubic root of 4138945298 is about 1605.5724058301.

The spelling of 4138945298 in words is "four billion, one hundred thirty-eight million, nine hundred forty-five thousand, two hundred ninety-eight".