3091944953 has 2 divisors, whose sum is σ = 3091944954. Its totient is φ = 3091944952.

The previous prime is 3091944943. The next prime is 3091945009. The reversal of 3091944953 is 3594491903.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1750334569 + 1341610384 = 41837^2 + 36628^2 .

It is a cyclic number.

It is not a de Polignac number, because 3091944953 - 2⁸ = 3091944697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3091944898 and 3091944907.

It is not a weakly prime, because it can be changed into another prime (3091944943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1545972476 + 1545972477.

It is an arithmetic number, because the mean of its divisors is an integer number (1545972477).

Almost surely, 2^3091944953 is an apocalyptic number.

It is an amenable number.

3091944953 is a deficient number, since it is larger than the sum of its proper divisors (1).

3091944953 is an equidigital number, since it uses as much as digits as its factorization.

3091944953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 3091944953 is about 55605.2601198843. The cubic root of 3091944953 is about 1456.8357305136.

The spelling of 3091944953 in words is "three billion, ninety-one million, nine hundred forty-four thousand, nine hundred fifty-three".