942942957469 has 2 divisors, whose sum is σ = 942942957470. Its totient is φ = 942942957468.

The previous prime is 942942957443. The next prime is 942942957487. The reversal of 942942957469 is 964759249249.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 803780385444 + 139162572025 = 896538^2 + 373045^2 .

It is an emirp because it is prime and its reverse (964759249249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 942942957469 - 2²³ = 942934568861 is a prime.

It is a super-2 number, since 2×942942957469² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 942942957398 and 942942957407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (942942951469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471471478734 + 471471478735.

It is an arithmetic number, because the mean of its divisors is an integer number (471471478735).

Almost surely, 2^942942957469 is an apocalyptic number.

It is an amenable number.

942942957469 is a deficient number, since it is larger than the sum of its proper divisors (1).

942942957469 is an equidigital number, since it uses as much as digits as its factorization.

942942957469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352719360, while the sum is 70.

The spelling of 942942957469 in words is "nine hundred forty-two billion, nine hundred forty-two million, nine hundred fifty-seven thousand, four hundred sixty-nine".