94130638493 has 4 divisors (see below), whose sum is σ = 94290997920. Its totient is φ = 93970279068.

The previous prime is 94130638487. The next prime is 94130638517. The reversal of 94130638493 is 39483603149.

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 94130638493 - 2⁶ = 94130638429 is a prime.

It is a super-2 number, since 2×94130638493² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94130638403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80178833 + ... + 80180006.

It is an arithmetic number, because the mean of its divisors is an integer number (23572749480).

Almost surely, 2^94130638493 is an apocalyptic number.

It is an amenable number.

94130638493 is a deficient number, since it is larger than the sum of its proper divisors (160359427).

94130638493 is a wasteful number, since it uses less digits than its factorization.

94130638493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160359426.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 94130638493 in words is "ninety-four billion, one hundred thirty million, six hundred thirty-eight thousand, four hundred ninety-three".