102652179749 has 4 divisors (see below), whose sum is σ = 117316776864. Its totient is φ = 87987582636.

The previous prime is 102652179743. The next prime is 102652179761. The reversal of 102652179749 is 947971256201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102652179749 - 2⁴ = 102652179733 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102652179749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102652179743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7332298547 + ... + 7332298560.

It is an arithmetic number, because the mean of its divisors is an integer number (29329194216).

Almost surely, 2^102652179749 is an apocalyptic number.

It is an amenable number.

102652179749 is a deficient number, since it is larger than the sum of its proper divisors (14664597115).

102652179749 is an equidigital number, since it uses as much as digits as its factorization.

102652179749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14664597114.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 102652179749 in words is "one hundred two billion, six hundred fifty-two million, one hundred seventy-nine thousand, seven hundred forty-nine".