1913534948 has 36 divisors (see below), whose sum is σ = 3638844468. Its totient is φ = 880064640.

The previous prime is 1913534921. The next prime is 1913534963. The reversal of 1913534948 is 8494353191.

It can be written as a sum of positive squares in 6 ways, for example, as 440664064 + 1472870884 = 20992^2 + 38378^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193238 + ... + 202898.

It is an arithmetic number, because the mean of its divisors is an integer number (101079013).

Almost surely, 2^1913534948 is an apocalyptic number.

It is an amenable number.

1913534948 is a deficient number, since it is larger than the sum of its proper divisors (1725309520).

1913534948 is a wasteful number, since it uses less digits than its factorization.

1913534948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984 (or 9969 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 1913534948 is about 43743.9704187903. The cubic root of 1913534948 is about 1241.4964045107.

The spelling of 1913534948 in words is "one billion, nine hundred thirteen million, five hundred thirty-four thousand, nine hundred forty-eight".