1948711513 has 8 divisors (see below), whose sum is σ = 2358104832. Its totient is φ = 1572069696.

The previous prime is 1948711403. The next prime is 1948711517. The reversal of 1948711513 is 3151178491.

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

It is not a de Polignac number, because 1948711513 - 2⁹ = 1948711001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948711517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8187745 + ... + 8187982.

It is an arithmetic number, because the mean of its divisors is an integer number (294763104).

Almost surely, 2^1948711513 is an apocalyptic number.

It is an amenable number.

1948711513 is a deficient number, since it is larger than the sum of its proper divisors (409393319).

1948711513 is a wasteful number, since it uses less digits than its factorization.

1948711513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16375751.

The product of its digits is 30240, while the sum is 40.

The square root of 1948711513 is about 44144.2126784474. The cubic root of 1948711513 is about 1249.0577460111.

The spelling of 1948711513 in words is "one billion, nine hundred forty-eight million, seven hundred eleven thousand, five hundred thirteen".