2119999477 has 2 divisors, whose sum is σ = 2119999478. Its totient is φ = 2119999476.

The previous prime is 2119999451. The next prime is 2119999487. The reversal of 2119999477 is 7749999112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1287446161 + 832553316 = 35881^2 + 28854^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119999477 - 2²³ = 2111610869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119999487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059999738 + 1059999739.

It is an arithmetic number, because the mean of its divisors is an integer number (1059999739).

Almost surely, 2^2119999477 is an apocalyptic number.

It is an amenable number.

2119999477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119999477 is an equidigital number, since it uses as much as digits as its factorization.

2119999477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 58.

The square root of 2119999477 is about 46043.4520534679. The cubic root of 2119999477 is about 1284.6315520737.

The spelling of 2119999477 in words is "two billion, one hundred nineteen million, nine hundred ninety-nine thousand, four hundred seventy-seven".