147610377645421 has 2 divisors, whose sum is σ = 147610377645422. Its totient is φ = 147610377645420.

The previous prime is 147610377645347. The next prime is 147610377645527. The reversal of 147610377645421 is 124546773016741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102264779886025 + 45345597759396 = 10112605^2 + 6733914^2 .

It is a cyclic number.

It is not a de Polignac number, because 147610377645421 - 2¹⁵ = 147610377612653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147610377646421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73805188822710 + 73805188822711.

It is an arithmetic number, because the mean of its divisors is an integer number (73805188822711).

Almost surely, 2^{147610377645421} is an apocalyptic number.

It is an amenable number.

147610377645421 is a deficient number, since it is larger than the sum of its proper divisors (1).

147610377645421 is an equidigital number, since it uses as much as digits as its factorization.

147610377645421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 147610377645421 in words is "one hundred forty-seven trillion, six hundred ten billion, three hundred seventy-seven million, six hundred forty-five thousand, four hundred twenty-one".