913948143771 has 16 divisors (see below), whose sum is σ = 1347804333344. Its totient is φ = 547228825344.

The previous prime is 913948143707. The next prime is 913948143827. The reversal of 913948143771 is 177341849319.

It is not a de Polignac number, because 913948143771 - 2⁶ = 913948143707 is a prime.

It is a super-2 number, since 2×913948143771² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913948143071) 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, 316681906 + ... + 316684791.

It is an arithmetic number, because the mean of its divisors is an integer number (84237770834).

Almost surely, 2^913948143771 is an apocalyptic number.

913948143771 is a deficient number, since it is larger than the sum of its proper divisors (433856189573).

913948143771 is a wasteful number, since it uses less digits than its factorization.

913948143771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633366750.

The product of its digits is 4572288, while the sum is 57.

The spelling of 913948143771 in words is "nine hundred thirteen billion, nine hundred forty-eight million, one hundred forty-three thousand, seven hundred seventy-one".