342471523649 has 2 divisors, whose sum is σ = 342471523650. Its totient is φ = 342471523648.

The previous prime is 342471523643. The next prime is 342471523657. The reversal of 342471523649 is 946325174243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292269984400 + 50201539249 = 540620^2 + 224057^2 .

It is a cyclic number.

It is not a de Polignac number, because 342471523649 - 2¹² = 342471519553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342471523597 and 342471523606.

It is not a weakly prime, because it can be changed into another prime (342471523643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171235761824 + 171235761825.

It is an arithmetic number, because the mean of its divisors is an integer number (171235761825).

Almost surely, 2^342471523649 is an apocalyptic number.

It is an amenable number.

342471523649 is a deficient number, since it is larger than the sum of its proper divisors (1).

342471523649 is an equidigital number, since it uses as much as digits as its factorization.

342471523649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 50.

The spelling of 342471523649 in words is "three hundred forty-two billion, four hundred seventy-one million, five hundred twenty-three thousand, six hundred forty-nine".