1241891642610 has 24 divisors (see below), whose sum is σ = 3228918271020. Its totient is φ = 331171104672.

The previous prime is 1241891642587. The next prime is 1241891642671. The reversal of 1241891642610 is 162461981421.

1241891642610 is a `hidden beast` number, since 1 + 2 + 4 + 18 + 9 + 16 + 4 + 2 + 610 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1222680851001 + 19210791609 = 1105749^2 + 138603^2 .

It is a super-2 number, since 2×1241891642610² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6899397925 + ... + 6899398104.

Almost surely, 2^{1241891642610} is an apocalyptic number.

1241891642610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1241891642610 is an abundant number, since it is smaller than the sum of its proper divisors (1987026628410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241891642610 is a wasteful number, since it uses less digits than its factorization.

1241891642610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13798796042 (or 13798796039 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 1241891642610 in words is "one trillion, two hundred forty-one billion, eight hundred ninety-one million, six hundred forty-two thousand, six hundred ten".