48721642590321 has 16 divisors (see below), whose sum is σ = 72205653801600. Its totient is φ = 32469645909744.

The previous prime is 48721642590319. The next prime is 48721642590347. The reversal of 48721642590321 is 12309524612784.

It is a happy number.

48721642590321 is a `hidden beast` number, since 4 + 8 + 7 + 2 + 1 + 6 + 42 + 590 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 48721642590321 - 2¹ = 48721642590319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48721642590301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317953941 + ... + 318107138.

It is an arithmetic number, because the mean of its divisors is an integer number (4512853362600).

It is a 2-persistent number, because it is pandigital, and so is 2⋅48721642590321 = 97443285180642, but 3⋅48721642590321 = 146164927770963 is not.

Almost surely, 2^{48721642590321} is an apocalyptic number.

It is an amenable number.

48721642590321 is a deficient number, since it is larger than the sum of its proper divisors (23484011211279).

48721642590321 is a wasteful number, since it uses less digits than its factorization.

48721642590321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636063925 (or 636063919 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 48721642590321 in words is "forty-eight trillion, seven hundred twenty-one billion, six hundred forty-two million, five hundred ninety thousand, three hundred twenty-one".