151840340797 has 2 divisors, whose sum is σ = 151840340798. Its totient is φ = 151840340796.

The previous prime is 151840340791. The next prime is 151840340819. The reversal of 151840340797 is 797043048151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106081141401 + 45759199396 = 325701^2 + 213914^2 .

It is a cyclic number.

It is not a de Polignac number, because 151840340797 - 2⁷ = 151840340669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151840340797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151840340791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75920170398 + 75920170399.

It is an arithmetic number, because the mean of its divisors is an integer number (75920170399).

Almost surely, 2^151840340797 is an apocalyptic number.

It is an amenable number.

151840340797 is a deficient number, since it is larger than the sum of its proper divisors (1).

151840340797 is an equidigital number, since it uses as much as digits as its factorization.

151840340797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 151840340797 in words is "one hundred fifty-one billion, eight hundred forty million, three hundred forty thousand, seven hundred ninety-seven".