1955953063 has 2 divisors, whose sum is σ = 1955953064. Its totient is φ = 1955953062.

The previous prime is 1955953057. The next prime is 1955953067. The reversal of 1955953063 is 3603595591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1955953063 - 2²⁵ = 1922398631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1955953067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977976531 + 977976532.

It is an arithmetic number, because the mean of its divisors is an integer number (977976532).

Almost surely, 2^1955953063 is an apocalyptic number.

1955953063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1955953063 is an equidigital number, since it uses as much as digits as its factorization.

1955953063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 546750, while the sum is 46.

The square root of 1955953063 is about 44226.1581306810. The cubic root of 1955953063 is about 1250.6030291446.

The spelling of 1955953063 in words is "one billion, nine hundred fifty-five million, nine hundred fifty-three thousand, sixty-three".