1953495433 has 2 divisors, whose sum is σ = 1953495434. Its totient is φ = 1953495432.

The previous prime is 1953495367. The next prime is 1953495463. The reversal of 1953495433 is 3345943591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1947280384 + 6215049 = 44128^2 + 2493^2 .

It is an emirp because it is prime and its reverse (3345943591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1953495433 is a prime.

It is a super-2 number, since 2×1953495433² = 7632288813503714978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1953495463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976747716 + 976747717.

It is an arithmetic number, because the mean of its divisors is an integer number (976747717).

Almost surely, 2^1953495433 is an apocalyptic number.

It is an amenable number.

1953495433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1953495433 is an equidigital number, since it uses as much as digits as its factorization.

1953495433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 46.

The square root of 1953495433 is about 44198.3645964418. The cubic root of 1953495433 is about 1250.0790207111.

The spelling of 1953495433 in words is "one billion, nine hundred fifty-three million, four hundred ninety-five thousand, four hundred thirty-three".