212950499369 has 2 divisors, whose sum is σ = 212950499370. Its totient is φ = 212950499368.

The previous prime is 212950499317. The next prime is 212950499413. The reversal of 212950499369 is 963994059212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207469318144 + 5481181225 = 455488^2 + 74035^2 .

It is a cyclic number.

It is not a de Polignac number, because 212950499369 - 2²⁴ = 212933722153 is a prime.

It is a super-2 number, since 2×212950499369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212950399369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106475249684 + 106475249685.

It is an arithmetic number, because the mean of its divisors is an integer number (106475249685).

Almost surely, 2^212950499369 is an apocalyptic number.

It is an amenable number.

212950499369 is a deficient number, since it is larger than the sum of its proper divisors (1).

212950499369 is an equidigital number, since it uses as much as digits as its factorization.

212950499369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9447840, while the sum is 59.

The spelling of 212950499369 in words is "two hundred twelve billion, nine hundred fifty million, four hundred ninety-nine thousand, three hundred sixty-nine".