102621646543413 has 16 divisors (see below), whose sum is σ = 138041331955200. Its totient is φ = 67808210072064.

The previous prime is 102621646543397. The next prime is 102621646543433. The reversal of 102621646543413 is 314345646126201.

It is not a de Polignac number, because 102621646543413 - 2⁴ = 102621646543397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102621646543433) 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, 28398345 + ... + 31807377.

It is an arithmetic number, because the mean of its divisors is an integer number (8627583247200).

Almost surely, 2^{102621646543413} is an apocalyptic number.

It is an amenable number.

102621646543413 is a deficient number, since it is larger than the sum of its proper divisors (35419685411787).

102621646543413 is a wasteful number, since it uses less digits than its factorization.

102621646543413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497948.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 102621646543413 in words is "one hundred two trillion, six hundred twenty-one billion, six hundred forty-six million, five hundred forty-three thousand, four hundred thirteen".