4640346382157 has 2 divisors, whose sum is σ = 4640346382158. Its totient is φ = 4640346382156.

The previous prime is 4640346382151. The next prime is 4640346382201. The reversal of 4640346382157 is 7512836430464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3212880587401 + 1427465794756 = 1792451^2 + 1194766^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640346382157 - 2⁴ = 4640346382141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4640346382099 and 4640346382108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640346382151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320173191078 + 2320173191079.

It is an arithmetic number, because the mean of its divisors is an integer number (2320173191079).

Almost surely, 2^{4640346382157} is an apocalyptic number.

It is an amenable number.

4640346382157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640346382157 is an equidigital number, since it uses as much as digits as its factorization.

4640346382157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 4640346382157 in words is "four trillion, six hundred forty billion, three hundred forty-six million, three hundred eighty-two thousand, one hundred fifty-seven".