102439896484401 has 128 divisors (see below), whose sum is σ = 185935196160000. Its totient is φ = 54437276715840.

The previous prime is 102439896484369. The next prime is 102439896484463. The reversal of 102439896484401 is 104484698934201.

102439896484401 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 3 + 98 + 9 + 64 + 84 + 401 = 666.

It is not a de Polignac number, because 102439896484401 - 2⁵ = 102439896484369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (102439896484201) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 146051620 + ... + 146751338.

It is an arithmetic number, because the mean of its divisors is an integer number (1452618720000).

Almost surely, 2^{102439896484401} is an apocalyptic number.

It is an amenable number.

102439896484401 is a deficient number, since it is larger than the sum of its proper divisors (83495299675599).

102439896484401 is a wasteful number, since it uses less digits than its factorization.

102439896484401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700504 (or 700498 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 63.

The spelling of 102439896484401 in words is "one hundred two trillion, four hundred thirty-nine billion, eight hundred ninety-six million, four hundred eighty-four thousand, four hundred one".