1955313361 has 16 divisors (see below), whose sum is σ = 2084866560. Its totient is φ = 1827429120.

The previous prime is 1955313341. The next prime is 1955313379. The reversal of 1955313361 is 1633135591.

It is a cyclic number.

It is not a de Polignac number, because 1955313361 - 2²⁹ = 1418442449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1955313361.

It is not an unprimeable number, because it can be changed into a prime (1955313331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972576 + ... + 1973566.

It is an arithmetic number, because the mean of its divisors is an integer number (130304160).

Almost surely, 2^1955313361 is an apocalyptic number.

It is an amenable number.

1955313361 is a deficient number, since it is larger than the sum of its proper divisors (129553199).

1955313361 is a wasteful number, since it uses less digits than its factorization.

1955313361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its digits is 36450, while the sum is 37.

The square root of 1955313361 is about 44218.9253713837. The cubic root of 1955313361 is about 1250.4666760957.

The spelling of 1955313361 in words is "one billion, nine hundred fifty-five million, three hundred thirteen thousand, three hundred sixty-one".