340315538749 has 2 divisors, whose sum is σ = 340315538750. Its totient is φ = 340315538748.

The previous prime is 340315538579. The next prime is 340315538809. The reversal of 340315538749 is 947835513043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338252744025 + 2062794724 = 581595^2 + 45418^2 .

It is a cyclic number.

It is not a de Polignac number, because 340315538749 - 2²⁷ = 340181321021 is a prime.

It is a super-3 number, since 3×340315538749³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340315538696 and 340315538705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340315578749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170157769374 + 170157769375.

It is an arithmetic number, because the mean of its divisors is an integer number (170157769375).

Almost surely, 2^340315538749 is an apocalyptic number.

It is an amenable number.

340315538749 is a deficient number, since it is larger than the sum of its proper divisors (1).

340315538749 is an equidigital number, since it uses as much as digits as its factorization.

340315538749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 340315538749 in words is "three hundred forty billion, three hundred fifteen million, five hundred thirty-eight thousand, seven hundred forty-nine".