1930817245 has 64 divisors (see below), whose sum is σ = 2923776000. Its totient is φ = 1193472000.

The previous prime is 1930817227. The next prime is 1930817257. The reversal of 1930817245 is 5427180391.

1930817245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1930817245 - 2¹⁵ = 1930784477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1930817198 and 1930817207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2570620 + ... + 2571370.

It is an arithmetic number, because the mean of its divisors is an integer number (45684000).

Almost surely, 2^1930817245 is an apocalyptic number.

It is an amenable number.

1930817245 is a deficient number, since it is larger than the sum of its proper divisors (992958755).

1930817245 is a wasteful number, since it uses less digits than its factorization.

1930817245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1930817245 is about 43941.0655878985. The cubic root of 1930817245 is about 1245.2227780457. Note that the first 3 decimals are identical.

The spelling of 1930817245 in words is "one billion, nine hundred thirty million, eight hundred seventeen thousand, two hundred forty-five".