308954052997 has 2 divisors, whose sum is σ = 308954052998. Its totient is φ = 308954052996.

The previous prime is 308954052971. The next prime is 308954053013. The reversal of 308954052997 is 799250459803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216188731521 + 92765321476 = 464961^2 + 304574^2 .

It is an emirp because it is prime and its reverse (799250459803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 308954052997 - 2²³ = 308945664389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (308954052397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154477026498 + 154477026499.

It is an arithmetic number, because the mean of its divisors is an integer number (154477026499).

Almost surely, 2^308954052997 is an apocalyptic number.

It is an amenable number.

308954052997 is a deficient number, since it is larger than the sum of its proper divisors (1).

308954052997 is an equidigital number, since it uses as much as digits as its factorization.

308954052997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 308954052997 in words is "three hundred eight billion, nine hundred fifty-four million, fifty-two thousand, nine hundred ninety-seven".