100548488649 has 16 divisors (see below), whose sum is σ = 153715831808. Its totient is φ = 57269121552.

The previous prime is 100548488647. The next prime is 100548488671. The reversal of 100548488649 is 946884845001.

It is a happy number.

It is not a de Polignac number, because 100548488649 - 2¹ = 100548488647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100548488647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7791637 + ... + 7804530.

It is an arithmetic number, because the mean of its divisors is an integer number (9607239488).

Almost surely, 2^100548488649 is an apocalyptic number.

It is an amenable number.

100548488649 is a deficient number, since it is larger than the sum of its proper divisors (53167343159).

100548488649 is a wasteful number, since it uses less digits than its factorization.

100548488649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15596484.

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 100548488649 in words is "one hundred billion, five hundred forty-eight million, four hundred eighty-eight thousand, six hundred forty-nine".