151970841749 has 2 divisors, whose sum is σ = 151970841750. Its totient is φ = 151970841748.

The previous prime is 151970841731. The next prime is 151970841797. The reversal of 151970841749 is 947148079151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104712429649 + 47258412100 = 323593^2 + 217390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151970841749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151970841694 and 151970841703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151970841719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75985420874 + 75985420875.

It is an arithmetic number, because the mean of its divisors is an integer number (75985420875).

Almost surely, 2^151970841749 is an apocalyptic number.

It is an amenable number.

151970841749 is a deficient number, since it is larger than the sum of its proper divisors (1).

151970841749 is an equidigital number, since it uses as much as digits as its factorization.

151970841749 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 151970841749 in words is "one hundred fifty-one billion, nine hundred seventy million, eight hundred forty-one thousand, seven hundred forty-nine".