1953341213 has 2 divisors, whose sum is σ = 1953341214. Its totient is φ = 1953341212.

The previous prime is 1953341209. The next prime is 1953341219. The reversal of 1953341213 is 3121433591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1515778489 + 437562724 = 38933^2 + 20918^2 .

It is an emirp because it is prime and its reverse (3121433591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1953341213 - 2² = 1953341209 is a prime.

It is a super-2 number, since 2×1953341213² = 7631083788808622738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1953341213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1953341219) 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, 976670606 + 976670607.

It is an arithmetic number, because the mean of its divisors is an integer number (976670607).

Almost surely, 2^1953341213 is an apocalyptic number.

It is an amenable number.

1953341213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1953341213 is an equidigital number, since it uses as much as digits as its factorization.

1953341213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 1953341213 is about 44196.6199273202. The cubic root of 1953341213 is about 1250.0461237381.

The spelling of 1953341213 in words is "one billion, nine hundred fifty-three million, three hundred forty-one thousand, two hundred thirteen".