147642366551 has 2 divisors, whose sum is σ = 147642366552. Its totient is φ = 147642366550.

The previous prime is 147642366503. The next prime is 147642366589. The reversal of 147642366551 is 155663246741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147642366551 - 2²² = 147638172247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147642366551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147642366451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73821183275 + 73821183276.

It is an arithmetic number, because the mean of its divisors is an integer number (73821183276).

Almost surely, 2^147642366551 is an apocalyptic number.

147642366551 is a deficient number, since it is larger than the sum of its proper divisors (1).

147642366551 is an equidigital number, since it uses as much as digits as its factorization.

147642366551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 50.

The spelling of 147642366551 in words is "one hundred forty-seven billion, six hundred forty-two million, three hundred sixty-six thousand, five hundred fifty-one".