1928713908338 has 16 divisors (see below), whose sum is σ = 3500858859264. Its totient is φ = 777968635200.

The previous prime is 1928713908293. The next prime is 1928713908347. The reversal of 1928713908338 is 8338093178291.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051919738 + ... + 4051920213.

It is an arithmetic number, because the mean of its divisors is an integer number (218803678704).

Almost surely, 2^{1928713908338} is an apocalyptic number.

1928713908338 is a deficient number, since it is larger than the sum of its proper divisors (1572144950926).

1928713908338 is a wasteful number, since it uses less digits than its factorization.

1928713908338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103839977.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 1928713908338 in words is "one trillion, nine hundred twenty-eight billion, seven hundred thirteen million, nine hundred eight thousand, three hundred thirty-eight".