1929793145 has 8 divisors (see below), whose sum is σ = 2646573504. Its totient is φ = 1323286704.

The previous prime is 1929793091. The next prime is 1929793193. The reversal of 1929793145 is 5413979291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1929793145 - 2¹⁰ = 1929792121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1929793093 and 1929793102.

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, 27568439 + ... + 27568508.

It is an arithmetic number, because the mean of its divisors is an integer number (330821688).

Almost surely, 2^1929793145 is an apocalyptic number.

It is an amenable number.

1929793145 is a deficient number, since it is larger than the sum of its proper divisors (716780359).

1929793145 is an equidigital number, since it uses as much as digits as its factorization.

1929793145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55136959.

The product of its digits is 612360, while the sum is 50.

The square root of 1929793145 is about 43929.4109339062. The cubic root of 1929793145 is about 1245.0025848992.

The spelling of 1929793145 in words is "one billion, nine hundred twenty-nine million, seven hundred ninety-three thousand, one hundred forty-five".