213459303877 has 16 divisors (see below), whose sum is σ = 226552210560. Its totient is φ = 200685196800.

The previous prime is 213459303859. The next prime is 213459303929. The reversal of 213459303877 is 778303954312.

It is a cyclic number.

It is not a de Polignac number, because 213459303877 - 2¹¹ = 213459301829 is a prime.

It is a super-2 number, since 2×213459303877² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213459303817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13997977 + ... + 14013217.

It is an arithmetic number, because the mean of its divisors is an integer number (14159513160).

Almost surely, 2^213459303877 is an apocalyptic number.

It is an amenable number.

213459303877 is a deficient number, since it is larger than the sum of its proper divisors (13092906683).

213459303877 is a wasteful number, since it uses less digits than its factorization.

213459303877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25644.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 213459303877 in words is "two hundred thirteen billion, four hundred fifty-nine million, three hundred three thousand, eight hundred seventy-seven".