147187963457 has 2 divisors, whose sum is σ = 147187963458. Its totient is φ = 147187963456.

The previous prime is 147187963409. The next prime is 147187963487. The reversal of 147187963457 is 754369781741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142826549776 + 4361413681 = 377924^2 + 66041^2 .

It is a cyclic number.

It is not a de Polignac number, because 147187963457 - 2¹⁴ = 147187947073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147187963457.

It is not a weakly prime, because it can be changed into another prime (147187963487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73593981728 + 73593981729.

It is an arithmetic number, because the mean of its divisors is an integer number (73593981729).

Almost surely, 2^147187963457 is an apocalyptic number.

It is an amenable number.

147187963457 is a deficient number, since it is larger than the sum of its proper divisors (1).

147187963457 is an equidigital number, since it uses as much as digits as its factorization.

147187963457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35562240, while the sum is 62.

The spelling of 147187963457 in words is "one hundred forty-seven billion, one hundred eighty-seven million, nine hundred sixty-three thousand, four hundred fifty-seven".