1955953319 has 2 divisors, whose sum is σ = 1955953320. Its totient is φ = 1955953318.

The previous prime is 1955953261. The next prime is 1955953361. The reversal of 1955953319 is 9133595591.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9133595591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1955953319 - 2⁸ = 1955953063 is a prime.

It is a super-2 number, since 2×1955953319² = 7651506772214231522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1955953019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977976659 + 977976660.

It is an arithmetic number, because the mean of its divisors is an integer number (977976660).

Almost surely, 2^1955953319 is an apocalyptic number.

1955953319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1955953319 is an equidigital number, since it uses as much as digits as its factorization.

1955953319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 820125, while the sum is 50.

The square root of 1955953319 is about 44226.1610248957. The cubic root of 1955953319 is about 1250.6030837052.

The spelling of 1955953319 in words is "one billion, nine hundred fifty-five million, nine hundred fifty-three thousand, three hundred nineteen".