102348981634 has 4 divisors (see below), whose sum is σ = 153523472454. Its totient is φ = 51174490816.

The previous prime is 102348981619. The next prime is 102348981667. The reversal of 102348981634 is 436189843201.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 83032151409 + 19316830225 = 288153^2 + 138985^2 .

It is a super-3 number, since 3×102348981634³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25587245407 + ... + 25587245410.

Almost surely, 2^102348981634 is an apocalyptic number.

102348981634 is a deficient number, since it is larger than the sum of its proper divisors (51174490820).

102348981634 is an equidigital number, since it uses as much as digits as its factorization.

102348981634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51174490819.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 102348981634 in words is "one hundred two billion, three hundred forty-eight million, nine hundred eighty-one thousand, six hundred thirty-four".