1955262319 has 2 divisors, whose sum is σ = 1955262320. Its totient is φ = 1955262318.

The previous prime is 1955262313. The next prime is 1955262329. The reversal of 1955262319 is 9132625591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1955262319 - 2⁹ = 1955261807 is a prime.

It is a super-2 number, since 2×1955262319² = 7646101472202515522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1955262313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977631159 + 977631160.

It is an arithmetic number, because the mean of its divisors is an integer number (977631160).

Almost surely, 2^1955262319 is an apocalyptic number.

1955262319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1955262319 is an equidigital number, since it uses as much as digits as its factorization.

1955262319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 43.

The square root of 1955262319 is about 44218.3482165492. The cubic root of 1955262319 is about 1250.4557951671.

The spelling of 1955262319 in words is "one billion, nine hundred fifty-five million, two hundred sixty-two thousand, three hundred nineteen".