1994460577 has 2 divisors, whose sum is σ = 1994460578. Its totient is φ = 1994460576.

The previous prime is 1994460551. The next prime is 1994460581. The reversal of 1994460577 is 7750644991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1918352401 + 76108176 = 43799^2 + 8724^2 .

It is an emirp because it is prime and its reverse (7750644991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1994460577 - 2¹⁹ = 1993936289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1994460277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997230288 + 997230289.

It is an arithmetic number, because the mean of its divisors is an integer number (997230289).

Almost surely, 2^1994460577 is an apocalyptic number.

It is an amenable number.

1994460577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1994460577 is an equidigital number, since it uses as much as digits as its factorization.

1994460577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 1994460577 is about 44659.3839747035. The cubic root of 1994460577 is about 1258.7567683841.

The spelling of 1994460577 in words is "one billion, nine hundred ninety-four million, four hundred sixty thousand, five hundred seventy-seven".