102349210749 has 8 divisors (see below), whose sum is σ = 136547484000. Its totient is φ = 68191872336.

The previous prime is 102349210739. The next prime is 102349210751. The reversal of 102349210749 is 947012943201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102349210749 - 2⁸ = 102349210493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102349210749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102349210739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10227874 + ... + 10237875.

It is an arithmetic number, because the mean of its divisors is an integer number (17068435500).

Almost surely, 2^102349210749 is an apocalyptic number.

It is an amenable number.

102349210749 is a deficient number, since it is larger than the sum of its proper divisors (34198273251).

102349210749 is a wasteful number, since it uses less digits than its factorization.

102349210749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20467419.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 102349210749 in words is "one hundred two billion, three hundred forty-nine million, two hundred ten thousand, seven hundred forty-nine".