2955209447389 has 2 divisors, whose sum is σ = 2955209447390. Its totient is φ = 2955209447388.

The previous prime is 2955209447353. The next prime is 2955209447419. The reversal of 2955209447389 is 9837449025592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1654161244164 + 1301048203225 = 1286142^2 + 1140635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2955209447389 - 2¹³ = 2955209439197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2955209447989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477604723694 + 1477604723695.

It is an arithmetic number, because the mean of its divisors is an integer number (1477604723695).

Almost surely, 2^{2955209447389} is an apocalyptic number.

It is an amenable number.

2955209447389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2955209447389 is an equidigital number, since it uses as much as digits as its factorization.

2955209447389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 195955200, while the sum is 67.

The spelling of 2955209447389 in words is "two trillion, nine hundred fifty-five billion, two hundred nine million, four hundred forty-seven thousand, three hundred eighty-nine".