147194785019 has 2 divisors, whose sum is σ = 147194785020. Its totient is φ = 147194785018.

The previous prime is 147194784949. The next prime is 147194785027. The reversal of 147194785019 is 910587491741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147194785019 - 2¹² = 147194780923 is a prime.

It is a super-2 number, since 2×147194785019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147194785519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73597392509 + 73597392510.

It is an arithmetic number, because the mean of its divisors is an integer number (73597392510).

Almost surely, 2^147194785019 is an apocalyptic number.

147194785019 is a deficient number, since it is larger than the sum of its proper divisors (1).

147194785019 is an equidigital number, since it uses as much as digits as its factorization.

147194785019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 147194785019 in words is "one hundred forty-seven billion, one hundred ninety-four million, seven hundred eighty-five thousand, nineteen".