1050644621403 has 48 divisors (see below), whose sum is σ = 1726750116000. Its totient is φ = 610244181504.

The previous prime is 1050644621401. The next prime is 1050644621417. The reversal of 1050644621403 is 3041264460501.

1050644621403 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 644 + 6 + 2 + 1 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 1050644621403 - 2¹ = 1050644621401 is a prime.

It is a super-2 number, since 2×1050644621403² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1050644621401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280498 + ... + 1476471.

It is an arithmetic number, because the mean of its divisors is an integer number (35973960750).

Almost surely, 2^{1050644621403} is an apocalyptic number.

1050644621403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1050644621403 is a deficient number, since it is larger than the sum of its proper divisors (676105494597).

1050644621403 is a wasteful number, since it uses less digits than its factorization.

1050644621403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757276 (or 1757273 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 1050644621403 in words is "one trillion, fifty billion, six hundred forty-four million, six hundred twenty-one thousand, four hundred three".