948138940513 has 4 divisors (see below), whose sum is σ = 948197530800. Its totient is φ = 948080350228.

The previous prime is 948138940493. The next prime is 948138940517. The reversal of 948138940513 is 315049831849.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 948138940513 - 2³³ = 939549005921 is a prime.

It is a super-2 number, since 2×948138940513² (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 (948138940517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29270863 + ... + 29303236.

It is an arithmetic number, because the mean of its divisors is an integer number (237049382700).

Almost surely, 2^948138940513 is an apocalyptic number.

It is an amenable number.

948138940513 is a deficient number, since it is larger than the sum of its proper divisors (58590287).

948138940513 is a wasteful number, since it uses less digits than its factorization.

948138940513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58590286.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 948138940513 in words is "nine hundred forty-eight billion, one hundred thirty-eight million, nine hundred forty thousand, five hundred thirteen".