146917742947 has 2 divisors, whose sum is σ = 146917742948. Its totient is φ = 146917742946.

The previous prime is 146917742869. The next prime is 146917742963. The reversal of 146917742947 is 749247719641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146917742947 - 2³¹ = 144770259299 is a prime.

It is not a weakly prime, because it can be changed into another prime (146917742347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73458871473 + 73458871474.

It is an arithmetic number, because the mean of its divisors is an integer number (73458871474).

Almost surely, 2^146917742947 is an apocalyptic number.

146917742947 is a deficient number, since it is larger than the sum of its proper divisors (1).

146917742947 is an equidigital number, since it uses as much as digits as its factorization.

146917742947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 61.

The spelling of 146917742947 in words is "one hundred forty-six billion, nine hundred seventeen million, seven hundred forty-two thousand, nine hundred forty-seven".