103143020649 has 8 divisors (see below), whose sum is σ = 137691131712. Its totient is φ = 68678461680.

The previous prime is 103143020641. The next prime is 103143020681. The reversal of 103143020649 is 946020341301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103143020649 - 2³ = 103143020641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103143020641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20885142 + ... + 20890079.

It is an arithmetic number, because the mean of its divisors is an integer number (17211391464).

Almost surely, 2^103143020649 is an apocalyptic number.

It is an amenable number.

103143020649 is a deficient number, since it is larger than the sum of its proper divisors (34548111063).

103143020649 is an equidigital number, since it uses as much as digits as its factorization.

103143020649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41776047.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 103143020649 in words is "one hundred three billion, one hundred forty-three million, twenty thousand, six hundred forty-nine".