340536512643 has 32 divisors (see below), whose sum is σ = 475195776000. Its totient is φ = 216648432000.

The previous prime is 340536512629. The next prime is 340536512651. The reversal of 340536512643 is 346215635043.

It is not a de Polignac number, because 340536512643 - 2¹⁶ = 340536447107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340536512595 and 340536512604.

It is not an unprimeable number, because it can be changed into a prime (340536512653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2549133 + ... + 2679393.

It is an arithmetic number, because the mean of its divisors is an integer number (14849868000).

Almost surely, 2^340536512643 is an apocalyptic number.

340536512643 is a deficient number, since it is larger than the sum of its proper divisors (134659263357).

340536512643 is a wasteful number, since it uses less digits than its factorization.

340536512643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130643.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 340536512643 in words is "three hundred forty billion, five hundred thirty-six million, five hundred twelve thousand, six hundred forty-three".