10198578352459 has 12 divisors (see below), whose sum is σ = 11874467064744. Its totient is φ = 8733669864864.

The previous prime is 10198578352439. The next prime is 10198578352493. The reversal of 10198578352459 is 95425387589101.

It is not a de Polignac number, because 10198578352459 - 2⁹ = 10198578351947 is a prime.

It is a super-2 number, since 2×10198578352459² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10198578352394 and 10198578352403.

It is not an unprimeable number, because it can be changed into a prime (10198578352439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94811449 + ... + 94918954.

It is an arithmetic number, because the mean of its divisors is an integer number (989538922062).

Almost surely, 2^{10198578352459} is an apocalyptic number.

10198578352459 is a deficient number, since it is larger than the sum of its proper divisors (1675888712285).

10198578352459 is a wasteful number, since it uses less digits than its factorization.

10198578352459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189731514 (or 189731507 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 67.

The spelling of 10198578352459 in words is "ten trillion, one hundred ninety-eight billion, five hundred seventy-eight million, three hundred fifty-two thousand, four hundred fifty-nine".