1979175038 has 4 divisors (see below), whose sum is σ = 2968762560. Its totient is φ = 989587518.

The previous prime is 1979175031. The next prime is 1979175101. The reversal of 1979175038 is 8305719791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8305719791 = 22343 ⋅371737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979175031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494793758 + ... + 494793761.

It is an arithmetic number, because the mean of its divisors is an integer number (742190640).

Almost surely, 2^1979175038 is an apocalyptic number.

1979175038 is a deficient number, since it is larger than the sum of its proper divisors (989587522).

1979175038 is an equidigital number, since it uses as much as digits as its factorization.

1979175038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989587521.

The product of its (nonzero) digits is 476280, while the sum is 50.

The square root of 1979175038 is about 44487.9201356953. The cubic root of 1979175038 is about 1255.5328156682.

The spelling of 1979175038 in words is "one billion, nine hundred seventy-nine million, one hundred seventy-five thousand, thirty-eight".