102702449106849 has 32 divisors (see below), whose sum is σ = 145651907825280. Its totient is φ = 64147778150400.

The previous prime is 102702449106847. The next prime is 102702449106877. The reversal of 102702449106849 is 948601944207201.

It is not a de Polignac number, because 102702449106849 - 2¹ = 102702449106847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102702449106847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10908714 + ... + 18011244.

It is an arithmetic number, because the mean of its divisors is an integer number (4551622119540).

Almost surely, 2^{102702449106849} is an apocalyptic number.

It is an amenable number.

102702449106849 is a deficient number, since it is larger than the sum of its proper divisors (42949458718431).

102702449106849 is a wasteful number, since it uses less digits than its factorization.

102702449106849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103841.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 102702449106849 in words is "one hundred two trillion, seven hundred two billion, four hundred forty-nine million, one hundred six thousand, eight hundred forty-nine".