102988745998 has 4 divisors (see below), whose sum is σ = 154483119000. Its totient is φ = 51494372998.

The previous prime is 102988745989. The next prime is 102988746019. The reversal of 102988745998 is 899547889201.

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

It is a super-2 number, since 2×102988745998² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25747186498 + ... + 25747186501.

It is an arithmetic number, because the mean of its divisors is an integer number (38620779750).

Almost surely, 2^102988745998 is an apocalyptic number.

102988745998 is a deficient number, since it is larger than the sum of its proper divisors (51494373002).

102988745998 is an equidigital number, since it uses as much as digits as its factorization.

102988745998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51494373001.

The product of its (nonzero) digits is 104509440, while the sum is 70.

The spelling of 102988745998 in words is "one hundred two billion, nine hundred eighty-eight million, seven hundred forty-five thousand, nine hundred ninety-eight".