340956373549 has 12 divisors (see below), whose sum is σ = 375033046752. Its totient is φ = 309742971560.

The previous prime is 340956373547. The next prime is 340956373553. The reversal of 340956373549 is 945373659043.

It is a happy number.

It is not a de Polignac number, because 340956373549 - 2¹ = 340956373547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340956373493 and 340956373502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340956373547) 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 11 ways as a sum of consecutive naturals, for example, 814657 + ... + 1159990.

It is an arithmetic number, because the mean of its divisors is an integer number (31252753896).

Almost surely, 2^340956373549 is an apocalyptic number.

It is an amenable number.

340956373549 is a deficient number, since it is larger than the sum of its proper divisors (34076673203).

340956373549 is a wasteful number, since it uses less digits than its factorization.

340956373549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976096 (or 1976085 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 58.

The spelling of 340956373549 in words is "three hundred forty billion, nine hundred fifty-six million, three hundred seventy-three thousand, five hundred forty-nine".