15798362417 has 4 divisors (see below), whose sum is σ = 15798618660. Its totient is φ = 15798106176.

The previous prime is 15798362413. The next prime is 15798362431. The reversal of 15798362417 is 71426389751.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1300035136 + 14498327281 = 36056^2 + 120409^2 .

It is a cyclic number.

It is not a de Polignac number, because 15798362417 - 2² = 15798362413 is a prime.

It is a super-3 number, since 3×15798362417³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15798362413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26813 + ... + 179765.

It is an arithmetic number, because the mean of its divisors is an integer number (3949654665).

Almost surely, 2^15798362417 is an apocalyptic number.

It is an amenable number.

15798362417 is a deficient number, since it is larger than the sum of its proper divisors (256243).

15798362417 is a wasteful number, since it uses less digits than its factorization.

15798362417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256242.

The product of its digits is 2540160, while the sum is 53.

The spelling of 15798362417 in words is "fifteen billion, seven hundred ninety-eight million, three hundred sixty-two thousand, four hundred seventeen".