1849964699481 has 8 divisors (see below), whose sum is σ = 2551675447680. Its totient is φ = 1190781875472.

The previous prime is 1849964699461. The next prime is 1849964699497.

1849964699481 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1849964699481 - 2¹¹ = 1849964697433 is a prime.

It is a super-2 number, since 2×1849964699481² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1849964699397 and 1849964699406.

It is not an unprimeable number, because it can be changed into a prime (1849964699411) 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, 10631980945 + ... + 10631981118.

It is an arithmetic number, because the mean of its divisors is an integer number (318959430960).

Almost surely, 2^{1849964699481} is an apocalyptic number.

It is an amenable number.

1849964699481 is a deficient number, since it is larger than the sum of its proper divisors (701710748199).

1849964699481 is a wasteful number, since it uses less digits than its factorization.

1849964699481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263962095.

The product of its digits is 967458816, while the sum is 78.

The spelling of 1849964699481 in words is "one trillion, eight hundred forty-nine billion, nine hundred sixty-four million, six hundred ninety-nine thousand, four hundred eighty-one".