1580913345 has 16 divisors (see below), whose sum is σ = 2759412672. Its totient is φ = 766503360.

The previous prime is 1580913343. The next prime is 1580913359. The reversal of 1580913345 is 5433190851.

1580913345 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1580913345 - 2¹ = 1580913343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1580913343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4790482 + ... + 4790811.

It is an arithmetic number, because the mean of its divisors is an integer number (172463292).

Almost surely, 2^1580913345 is an apocalyptic number.

1580913345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1580913345 is a deficient number, since it is larger than the sum of its proper divisors (1178499327).

1580913345 is a wasteful number, since it uses less digits than its factorization.

1580913345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581312.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1580913345 is about 39760.7010124319. The cubic root of 1580913345 is about 1164.9376685078.

The spelling of 1580913345 in words is "one billion, five hundred eighty million, nine hundred thirteen thousand, three hundred forty-five".