343621056490 has 32 divisors (see below), whose sum is σ = 628328638080. Its totient is φ = 135275044800.

The previous prime is 343621056469. The next prime is 343621056511. The reversal of 343621056490 is 94650126343.

It is an interprime number because it is at equal distance from previous prime (343621056469) and next prime (343621056511).

It is a super-2 number, since 2×343621056490² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 18385 + ... + 829204.

It is an arithmetic number, because the mean of its divisors is an integer number (19635269940).

Almost surely, 2^343621056490 is an apocalyptic number.

343621056490 is a deficient number, since it is larger than the sum of its proper divisors (284707581590).

343621056490 is a wasteful number, since it uses less digits than its factorization.

343621056490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848238.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 343621056490 in words is "three hundred forty-three billion, six hundred twenty-one million, fifty-six thousand, four hundred ninety".