340370972651 has 2 divisors, whose sum is σ = 340370972652. Its totient is φ = 340370972650.

The previous prime is 340370972561. The next prime is 340370972653. The reversal of 340370972651 is 156279073043.

Together with previous prime (340370972561) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340370972651 - 2¹⁰ = 340370971627 is a prime.

Together with 340370972653, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 340370972596 and 340370972605.

It is not a weakly prime, because it can be changed into another prime (340370972653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170185486325 + 170185486326.

It is an arithmetic number, because the mean of its divisors is an integer number (170185486326).

Almost surely, 2^340370972651 is an apocalyptic number.

340370972651 is a deficient number, since it is larger than the sum of its proper divisors (1).

340370972651 is an equidigital number, since it uses as much as digits as its factorization.

340370972651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 340370972651 in words is "three hundred forty billion, three hundred seventy million, nine hundred seventy-two thousand, six hundred fifty-one".