100049640541 has 4 divisors (see below), whose sum is σ = 105934913532. Its totient is φ = 94164367552.

The previous prime is 100049640527. The next prime is 100049640563. The reversal of 100049640541 is 145046940001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145046940001 = 53 ⋅2736734717.

It can be written as a sum of positive squares in 2 ways, for example, as 79701759225 + 20347881316 = 282315^2 + 142646^2 .

It is a cyclic number.

It is not a de Polignac number, because 100049640541 - 2⁷ = 100049640413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100049640497 and 100049640506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100049640641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942636470 + ... + 2942636503.

It is an arithmetic number, because the mean of its divisors is an integer number (26483728383).

Almost surely, 2^100049640541 is an apocalyptic number.

It is an amenable number.

100049640541 is a deficient number, since it is larger than the sum of its proper divisors (5885272991).

100049640541 is an equidigital number, since it uses as much as digits as its factorization.

100049640541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885272990.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 100049640541 in words is "one hundred billion, forty-nine million, six hundred forty thousand, five hundred forty-one".