1928195670 has 16 divisors (see below), whose sum is σ = 4627669680. Its totient is φ = 514185504.

The previous prime is 1928195669. The next prime is 1928195671. The reversal of 1928195670 is 765918291.

It is an interprime number because it is at equal distance from previous prime (1928195669) and next prime (1928195671).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928195671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32136565 + ... + 32136624.

It is an arithmetic number, because the mean of its divisors is an integer number (289229355).

Almost surely, 2^1928195670 is an apocalyptic number.

1928195670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1928195670 is an abundant number, since it is smaller than the sum of its proper divisors (2699474010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1928195670 is a wasteful number, since it uses less digits than its factorization.

1928195670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64273199.

The product of its (nonzero) digits is 272160, while the sum is 48.

The square root of 1928195670 is about 43911.2248747402. The cubic root of 1928195670 is about 1244.6589540197.

The spelling of 1928195670 in words is "one billion, nine hundred twenty-eight million, one hundred ninety-five thousand, six hundred seventy".