213939121272807 has 8 divisors (see below), whose sum is σ = 326002470510976. Its totient is φ = 122250926441592.

The previous prime is 213939121272739. The next prime is 213939121272829. The reversal of 213939121272807 is 708272121939312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213939121272807 - 2¹² = 213939121268711 is a prime.

It is a super-2 number, since 2×213939121272807² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213939121272847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5093788601713 + ... + 5093788601754.

It is an arithmetic number, because the mean of its divisors is an integer number (40750308813872).

Almost surely, 2^{213939121272807} is an apocalyptic number.

213939121272807 is a deficient number, since it is larger than the sum of its proper divisors (112063349238169).

213939121272807 is a wasteful number, since it uses less digits than its factorization.

213939121272807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10187577203477.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 213939121272807 in words is "two hundred thirteen trillion, nine hundred thirty-nine billion, one hundred twenty-one million, two hundred seventy-two thousand, eight hundred seven".