615422604551047 has 2 divisors, whose sum is σ = 615422604551048. Its totient is φ = 615422604551046.

The previous prime is 615422604551011. The next prime is 615422604551057. The reversal of 615422604551047 is 740155406224516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 615422604551047 - 2³¹ = 615420457067399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 615422604550985 and 615422604551003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (615422604551057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307711302275523 + 307711302275524.

It is an arithmetic number, because the mean of its divisors is an integer number (307711302275524).

Almost surely, 2^{615422604551047} is an apocalyptic number.

615422604551047 is a deficient number, since it is larger than the sum of its proper divisors (1).

615422604551047 is an equidigital number, since it uses as much as digits as its factorization.

615422604551047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 615422604551047 in words is "six hundred fifteen trillion, four hundred twenty-two billion, six hundred four million, five hundred fifty-one thousand, forty-seven".