16407582349 has 4 divisors (see below), whose sum is σ = 16407840736. Its totient is φ = 16407323964.

The previous prime is 16407582341. The next prime is 16407582361. The reversal of 16407582349 is 94328570461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94328570461 = 109 ⋅865399729.

It is a cyclic number.

It is not a de Polignac number, because 16407582349 - 2³ = 16407582341 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 (16407582341) 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, 39352 + ... + 185374.

It is an arithmetic number, because the mean of its divisors is an integer number (4101960184).

It is a 1-persistent number, because it is pandigital, but 2⋅16407582349 = 32815164698 is not.

Almost surely, 2^16407582349 is an apocalyptic number.

It is an amenable number.

16407582349 is a deficient number, since it is larger than the sum of its proper divisors (258387).

16407582349 is a wasteful number, since it uses less digits than its factorization.

16407582349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258386.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 16407582349 in words is "sixteen billion, four hundred seven million, five hundred eighty-two thousand, three hundred forty-nine".