102018943354 has 4 divisors (see below), whose sum is σ = 153028415034. Its totient is φ = 51009471676.

The previous prime is 102018943339. The next prime is 102018943361. The reversal of 102018943354 is 453349810201.

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., 98798948329 + 3219995025 = 314323^2 + 56745^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25504735837 + ... + 25504735840.

Almost surely, 2^102018943354 is an apocalyptic number.

102018943354 is a deficient number, since it is larger than the sum of its proper divisors (51009471680).

102018943354 is an equidigital number, since it uses as much as digits as its factorization.

102018943354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51009471679.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 102018943354 in words is "one hundred two billion, eighteen million, nine hundred forty-three thousand, three hundred fifty-four".