102450100039 has 4 divisors (see below), whose sum is σ = 117085828624. Its totient is φ = 87814371456.

The previous prime is 102450099953. The next prime is 102450100069. The reversal of 102450100039 is 930001054201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102450100039 - 2⁷ = 102450099911 is a prime.

It is a super-2 number, since 2×102450100039² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102450099986 and 102450100022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102450100069) 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, 7317864282 + ... + 7317864295.

It is an arithmetic number, because the mean of its divisors is an integer number (29271457156).

Almost surely, 2^102450100039 is an apocalyptic number.

102450100039 is a deficient number, since it is larger than the sum of its proper divisors (14635728585).

102450100039 is an equidigital number, since it uses as much as digits as its factorization.

102450100039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14635728584.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 102450100039 in words is "one hundred two billion, four hundred fifty million, one hundred thousand, thirty-nine".