1955792101 has 2 divisors, whose sum is σ = 1955792102. Its totient is φ = 1955792100.

The previous prime is 1955792093. The next prime is 1955792131. The reversal of 1955792101 is 1012975591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1396516900 + 559275201 = 37370^2 + 23649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1955792101 - 2³ = 1955792093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1955792131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977896050 + 977896051.

It is an arithmetic number, because the mean of its divisors is an integer number (977896051).

Almost surely, 2^1955792101 is an apocalyptic number.

It is an amenable number.

1955792101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1955792101 is an equidigital number, since it uses as much as digits as its factorization.

1955792101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 40.

The square root of 1955792101 is about 44224.3383330944. The cubic root of 1955792101 is about 1250.5687227510.

The spelling of 1955792101 in words is "one billion, nine hundred fifty-five million, seven hundred ninety-two thousand, one hundred one".