212769539607 has 64 divisors (see below), whose sum is σ = 311647150080. Its totient is φ = 128597558784.

The previous prime is 212769539557. The next prime is 212769539617. The reversal of 212769539607 is 706935967212.

It is not a de Polignac number, because 212769539607 - 2¹⁸ = 212769277463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212769539617) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56301244 + ... + 56305022.

It is an arithmetic number, because the mean of its divisors is an integer number (4869486720).

Almost surely, 2^212769539607 is an apocalyptic number.

212769539607 is a deficient number, since it is larger than the sum of its proper divisors (98877610473).

212769539607 is a wasteful number, since it uses less digits than its factorization.

212769539607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 212769539607 in words is "two hundred twelve billion, seven hundred sixty-nine million, five hundred thirty-nine thousand, six hundred seven".