213477964208 has 10 divisors (see below), whose sum is σ = 413613555684. Its totient is φ = 106738982096.

The previous prime is 213477964127. The next prime is 213477964223. The reversal of 213477964208 is 802469774312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213477964208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6671186366 + ... + 6671186397.

Almost surely, 2^213477964208 is an apocalyptic number.

It is an amenable number.

213477964208 is a deficient number, since it is larger than the sum of its proper divisors (200135591476).

213477964208 is a wasteful number, since it uses less digits than its factorization.

213477964208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342372771 (or 13342372765 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 213477964208 in words is "two hundred thirteen billion, four hundred seventy-seven million, nine hundred sixty-four thousand, two hundred eight".