105418032639 has 16 divisors (see below), whose sum is σ = 141343653984. Its totient is φ = 69885849600.

The previous prime is 105418032637. The next prime is 105418032641. The reversal of 105418032639 is 936230814501.

It is an interprime number because it is at equal distance from previous prime (105418032637) and next prime (105418032641).

It is not a de Polignac number, because 105418032639 - 2¹ = 105418032637 is a prime.

It is a super-2 number, since 2×105418032639² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105418032639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105418032637) 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, 1423549 + ... + 1495769.

It is an arithmetic number, because the mean of its divisors is an integer number (8833978374).

Almost surely, 2^105418032639 is an apocalyptic number.

105418032639 is a deficient number, since it is larger than the sum of its proper divisors (35925621345).

105418032639 is a wasteful number, since it uses less digits than its factorization.

105418032639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74938.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 105418032639 in words is "one hundred five billion, four hundred eighteen million, thirty-two thousand, six hundred thirty-nine".