740146356452189 has 2 divisors, whose sum is σ = 740146356452190. Its totient is φ = 740146356452188.

The previous prime is 740146356452183. The next prime is 740146356452263. The reversal of 740146356452189 is 981254653641047.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 535049730224164 + 205096626228025 = 23131142^2 + 14321195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740146356452189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740146356452183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370073178226094 + 370073178226095.

It is an arithmetic number, because the mean of its divisors is an integer number (370073178226095).

It is a 1-persistent number, because it is pandigital, but 2⋅740146356452189 = 1480292712904378 is not.

Almost surely, 2^{740146356452189} is an apocalyptic number.

It is an amenable number.

740146356452189 is a deficient number, since it is larger than the sum of its proper divisors (1).

740146356452189 is an equidigital number, since it uses as much as digits as its factorization.

740146356452189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174182400, while the sum is 65.

The spelling of 740146356452189 in words is "seven hundred forty trillion, one hundred forty-six billion, three hundred fifty-six million, four hundred fifty-two thousand, one hundred eighty-nine".