1446891344690 has 32 divisors (see below), whose sum is σ = 3008296018944. Its totient is φ = 495192759040.

The previous prime is 1446891344683. The next prime is 1446891344699. The reversal of 1446891344690 is 964431986441.

It is a super-2 number, since 2×1446891344690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1446891344699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386867474 + ... + 386871213.

It is an arithmetic number, because the mean of its divisors is an integer number (94009250592).

Almost surely, 2^{1446891344690} is an apocalyptic number.

1446891344690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1446891344690 is an abundant number, since it is smaller than the sum of its proper divisors (1561404674254).

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

1446891344690 is a wasteful number, since it uses less digits than its factorization.

1446891344690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773738722.

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 1446891344690 in words is "one trillion, four hundred forty-six billion, eight hundred ninety-one million, three hundred forty-four thousand, six hundred ninety".