1952843797 has 2 divisors, whose sum is σ = 1952843798. Its totient is φ = 1952843796.

The previous prime is 1952843741. The next prime is 1952843801. The reversal of 1952843797 is 7973482591.

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., 1950900561 + 1943236 = 44169^2 + 1394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1952843797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1952843297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976421898 + 976421899.

It is an arithmetic number, because the mean of its divisors is an integer number (976421899).

Almost surely, 2^1952843797 is an apocalyptic number.

It is an amenable number.

1952843797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1952843797 is an equidigital number, since it uses as much as digits as its factorization.

1952843797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The square root of 1952843797 is about 44190.9922608669. The cubic root of 1952843797 is about 1249.9400071474.

The spelling of 1952843797 in words is "one billion, nine hundred fifty-two million, eight hundred forty-three thousand, seven hundred ninety-seven".