1797809950541 has 8 divisors (see below), whose sum is σ = 1966899232224. Its totient is φ = 1629662671120.

The previous prime is 1797809950513. The next prime is 1797809950571. The reversal of 1797809950541 is 1450599087971.

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

It is not a de Polignac number, because 1797809950541 - 2¹⁸ = 1797809688397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797809950571) 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, 235496570 + ... + 235504203.

It is an arithmetic number, because the mean of its divisors is an integer number (245862404028).

Almost surely, 2^{1797809950541} is an apocalyptic number.

1797809950541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1797809950541 is a deficient number, since it is larger than the sum of its proper divisors (169089281683).

1797809950541 is a wasteful number, since it uses less digits than its factorization.

1797809950541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471001131.

The product of its (nonzero) digits is 28576800, while the sum is 65.

The spelling of 1797809950541 in words is "one trillion, seven hundred ninety-seven billion, eight hundred nine million, nine hundred fifty thousand, five hundred forty-one".