213519274339 has 32 divisors (see below), whose sum is σ = 255242736000. Its totient is φ = 178435514880.

The previous prime is 213519274277. The next prime is 213519274349. The reversal of 213519274339 is 933472915312.

It is not a de Polignac number, because 213519274339 - 2¹⁵ = 213519241571 is a prime.

It is a super-3 number, since 3×213519274339³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 213519274292 and 213519274301.

It is not an unprimeable number, because it can be changed into a prime (213519274349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26392207 + ... + 26400295.

It is an arithmetic number, because the mean of its divisors is an integer number (7976335500).

Almost surely, 2^213519274339 is an apocalyptic number.

213519274339 is a deficient number, since it is larger than the sum of its proper divisors (41723461661).

213519274339 is an equidigital number, since it uses as much as digits as its factorization.

213519274339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028 (or 10014 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 49.

The spelling of 213519274339 in words is "two hundred thirteen billion, five hundred nineteen million, two hundred seventy-four thousand, three hundred thirty-nine".