103642099493643 has 24 divisors (see below), whose sum is σ = 154747021485056. Its totient is φ = 66773895447600.

The previous prime is 103642099493629. The next prime is 103642099493663. The reversal of 103642099493643 is 346394990246301.

103642099493643 is a `hidden beast` number, since 1 + 0 + 3 + 64 + 20 + 9 + 9 + 493 + 64 + 3 = 666.

It is not a de Polignac number, because 103642099493643 - 2³⁶ = 103573380016907 is a prime.

It is a super-3 number, since 3×103642099493643³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103642099493663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255283453 + ... + 255689118.

Almost surely, 2^{103642099493643} is an apocalyptic number.

103642099493643 is a deficient number, since it is larger than the sum of its proper divisors (51104921991413).

103642099493643 is a wasteful number, since it uses less digits than its factorization.

103642099493643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510973335 (or 510973332 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 63.

The spelling of 103642099493643 in words is "one hundred three trillion, six hundred forty-two billion, ninety-nine million, four hundred ninety-three thousand, six hundred forty-three".