213477705263 has 4 divisors (see below), whose sum is σ = 213658466568. Its totient is φ = 213296943960.

The previous prime is 213477705239. The next prime is 213477705277. The reversal of 213477705263 is 362507774312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213477705263 - 2³⁴ = 196297836079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213477708263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90378881 + ... + 90381242.

It is an arithmetic number, because the mean of its divisors is an integer number (53414616642).

Almost surely, 2^213477705263 is an apocalyptic number.

213477705263 is a deficient number, since it is larger than the sum of its proper divisors (180761305).

213477705263 is a wasteful number, since it uses less digits than its factorization.

213477705263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180761304.

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 213477705263 in words is "two hundred thirteen billion, four hundred seventy-seven million, seven hundred five thousand, two hundred sixty-three".