994993407131 has 2 divisors, whose sum is σ = 994993407132. Its totient is φ = 994993407130.

The previous prime is 994993407073. The next prime is 994993407179. The reversal of 994993407131 is 131704399499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994993407131 - 2¹⁴ = 994993390747 is a prime.

It is a super-2 number, since 2×994993407131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (994993407731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497496703565 + 497496703566.

It is an arithmetic number, because the mean of its divisors is an integer number (497496703566).

Almost surely, 2^994993407131 is an apocalyptic number.

994993407131 is a deficient number, since it is larger than the sum of its proper divisors (1).

994993407131 is an equidigital number, since it uses as much as digits as its factorization.

994993407131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 59.

The spelling of 994993407131 in words is "nine hundred ninety-four billion, nine hundred ninety-three million, four hundred seven thousand, one hundred thirty-one".