14946697538 has 4 divisors (see below), whose sum is σ = 22420046310. Its totient is φ = 7473348768.

The previous prime is 14946697501. The next prime is 14946697541. The reversal of 14946697538 is 83579664941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83579664941 = 73 ⋅1144926917.

It can be written as a sum of positive squares in only one way, i.e., 11920927489 + 3025770049 = 109183^2 + 55007^2 .

It is a super-2 number, since 2×14946697538² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3736674383 + ... + 3736674386.

Almost surely, 2^14946697538 is an apocalyptic number.

14946697538 is a deficient number, since it is larger than the sum of its proper divisors (7473348772).

14946697538 is an equidigital number, since it uses as much as digits as its factorization.

14946697538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473348771.

The product of its digits is 39191040, while the sum is 62.

The spelling of 14946697538 in words is "fourteen billion, nine hundred forty-six million, six hundred ninety-seven thousand, five hundred thirty-eight".