215049150439 has 8 divisors (see below), whose sum is σ = 222049271808. Its totient is φ = 208052969880.

The previous prime is 215049150413. The next prime is 215049150467. The reversal of 215049150439 is 934051940512.

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

It is a cyclic number.

It is not a de Polignac number, because 215049150439 - 2¹³ = 215049142247 is a prime.

It is a super-2 number, since 2×215049150439² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215049150395 and 215049150404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215049150839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874087 + ... + 1092760.

It is an arithmetic number, because the mean of its divisors is an integer number (27756158976).

Almost surely, 2^215049150439 is an apocalyptic number.

215049150439 is a deficient number, since it is larger than the sum of its proper divisors (7000121369).

215049150439 is a wasteful number, since it uses less digits than its factorization.

215049150439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970405.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 215049150439 in words is "two hundred fifteen billion, forty-nine million, one hundred fifty thousand, four hundred thirty-nine".