340373405377 has 2 divisors, whose sum is σ = 340373405378. Its totient is φ = 340373405376.

The previous prime is 340373405347. The next prime is 340373405429. The reversal of 340373405377 is 773504373043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269370342081 + 71003063296 = 519009^2 + 266464^2 .

It is a cyclic number.

It is not a de Polignac number, because 340373405377 - 2⁷ = 340373405249 is a prime.

It is not a weakly prime, because it can be changed into another prime (340373405347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170186702688 + 170186702689.

It is an arithmetic number, because the mean of its divisors is an integer number (170186702689).

Almost surely, 2^340373405377 is an apocalyptic number.

It is an amenable number.

340373405377 is a deficient number, since it is larger than the sum of its proper divisors (1).

340373405377 is an equidigital number, since it uses as much as digits as its factorization.

340373405377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 46.

The spelling of 340373405377 in words is "three hundred forty billion, three hundred seventy-three million, four hundred five thousand, three hundred seventy-seven".