1913745560 has 32 divisors (see below), whose sum is σ = 4307312160. Its totient is φ = 765252096.

The previous prime is 1913745557. The next prime is 1913745563. The reversal of 1913745560 is 655473191.

It is an interprime number because it is at equal distance from previous prime (1913745557) and next prime (1913745563).

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913745563) 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, 167552 + ... + 178608.

It is an arithmetic number, because the mean of its divisors is an integer number (134603505).

Almost surely, 2^1913745560 is an apocalyptic number.

1913745560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1913745560 is an abundant number, since it is smaller than the sum of its proper divisors (2393566600).

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

1913745560 is a wasteful number, since it uses less digits than its factorization.

1913745560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15395 (or 15391 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 1913745560 is about 43746.3776786147. The cubic root of 1913745560 is about 1241.5419510089.

The spelling of 1913745560 in words is "one billion, nine hundred thirteen million, seven hundred forty-five thousand, five hundred sixty".