213119512477 has 2 divisors, whose sum is σ = 213119512478. Its totient is φ = 213119512476.

The previous prime is 213119512447. The next prime is 213119512559. The reversal of 213119512477 is 774215911312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115096669081 + 98022843396 = 339259^2 + 313086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213119512477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213119512447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106559756238 + 106559756239.

It is an arithmetic number, because the mean of its divisors is an integer number (106559756239).

Almost surely, 2^213119512477 is an apocalyptic number.

It is an amenable number.

213119512477 is a deficient number, since it is larger than the sum of its proper divisors (1).

213119512477 is an equidigital number, since it uses as much as digits as its factorization.

213119512477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 43.

The spelling of 213119512477 in words is "two hundred thirteen billion, one hundred nineteen million, five hundred twelve thousand, four hundred seventy-seven".