343791491389 has 8 divisors (see below), whose sum is σ = 350367988320. Its totient is φ = 337218322896.

The previous prime is 343791491387. The next prime is 343791491411. The reversal of 343791491389 is 983194197343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343791491389 - 2¹ = 343791491387 is a prime.

It is a super-2 number, since 2×343791491389² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343791491387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623059 + ... + 1037200.

It is an arithmetic number, because the mean of its divisors is an integer number (43795998540).

Almost surely, 2^343791491389 is an apocalyptic number.

It is an amenable number.

343791491389 is a deficient number, since it is larger than the sum of its proper divisors (6576496931).

343791491389 is a wasteful number, since it uses less digits than its factorization.

343791491389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664219.

The product of its digits is 17635968, while the sum is 61.

The spelling of 343791491389 in words is "three hundred forty-three billion, seven hundred ninety-one million, four hundred ninety-one thousand, three hundred eighty-nine".