213045780802 has 16 divisors (see below), whose sum is σ = 333583833600. Its totient is φ = 101928388320.

The previous prime is 213045780797. The next prime is 213045780977. The reversal of 213045780802 is 208087540312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19299102 + ... + 19310137.

It is an arithmetic number, because the mean of its divisors is an integer number (20848989600).

Almost surely, 2^213045780802 is an apocalyptic number.

213045780802 is a deficient number, since it is larger than the sum of its proper divisors (120538052798).

213045780802 is a wasteful number, since it uses less digits than its factorization.

213045780802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38609361.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 213045780802 in words is "two hundred thirteen billion, forty-five million, seven hundred eighty thousand, eight hundred two".