48646314545481 has 27 divisors (see below), whose sum is σ = 74160407836749. Its totient is φ = 30723737045112.

The previous prime is 48646314545461. The next prime is 48646314545489. The reversal of 48646314545481 is 18454541364684.

The square root of 48646314545481 is 6974691.

It is a perfect power (a square), and thus also a powerful number.

48646314545481 is a `hidden beast` number, since 4 + 8 + 6 + 4 + 6 + 3 + 1 + 4 + 545 + 4 + 81 = 666.

It is not a de Polignac number, because 48646314545481 - 2⁹ = 48646314544969 is a prime.

It is a super-2 number, since 2×48646314545481² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48646314545489) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 397496206 + ... + 397618568.

Almost surely, 2^{48646314545481} is an apocalyptic number.

48646314545481 is the 6974691-st square number.

48646314545481 is the 3487346-th centered octagonal number.

It is an amenable number.

48646314545481 is a deficient number, since it is larger than the sum of its proper divisors (25514093291268).

48646314545481 is an frugal number, since it uses more digits than its factorization.

48646314545481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244770 (or 122385 counting only the distinct ones).

The product of its digits is 176947200, while the sum is 63.

The spelling of 48646314545481 in words is "forty-eight trillion, six hundred forty-six billion, three hundred fourteen million, five hundred forty-five thousand, four hundred eighty-one".