846703149891621 has 16 divisors (see below), whose sum is σ = 1236946245188160. Its totient is φ = 510912579525120.

The previous prime is 846703149891601. The next prime is 846703149891653. The reversal of 846703149891621 is 126198941307648.

It is not a de Polignac number, because 846703149891621 - 2¹³ = 846703149883429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846703149891601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56021108620 + ... + 56021123733.

It is an arithmetic number, because the mean of its divisors is an integer number (77309140324260).

Almost surely, 2^{846703149891621} is an apocalyptic number.

It is an amenable number.

846703149891621 is a deficient number, since it is larger than the sum of its proper divisors (390243095296539).

846703149891621 is a wasteful number, since it uses less digits than its factorization.

846703149891621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112042232596.

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 846703149891621 in words is "eight hundred forty-six trillion, seven hundred three billion, one hundred forty-nine million, eight hundred ninety-one thousand, six hundred twenty-one".