102438399035 has 32 divisors (see below), whose sum is σ = 148104364032. Its totient is φ = 66531191040.

The previous prime is 102438398999. The next prime is 102438399047. The reversal of 102438399035 is 530993834201.

It is not a de Polignac number, because 102438399035 - 2²⁰ = 102437350459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953402 + ... + 1055391.

It is an arithmetic number, because the mean of its divisors is an integer number (4628261376).

Almost surely, 2^102438399035 is an apocalyptic number.

102438399035 is a deficient number, since it is larger than the sum of its proper divisors (45665964997).

102438399035 is a wasteful number, since it uses less digits than its factorization.

102438399035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008883.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 102438399035 in words is "one hundred two billion, four hundred thirty-eight million, three hundred ninety-nine thousand, thirty-five".