1955797411 has 2 divisors, whose sum is σ = 1955797412. Its totient is φ = 1955797410.

The previous prime is 1955797399. The next prime is 1955797421. The reversal of 1955797411 is 1147975591.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1955797411 - 2¹³ = 1955789219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1955797421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977898705 + 977898706.

It is an arithmetic number, because the mean of its divisors is an integer number (977898706).

Almost surely, 2^1955797411 is an apocalyptic number.

1955797411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1955797411 is an equidigital number, since it uses as much as digits as its factorization.

1955797411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 49.

The square root of 1955797411 is about 44224.3983678693. The cubic root of 1955797411 is about 1250.5698545199.

The spelling of 1955797411 in words is "one billion, nine hundred fifty-five million, seven hundred ninety-seven thousand, four hundred eleven".