15454023997 has 2 divisors, whose sum is σ = 15454023998. Its totient is φ = 15454023996.

The previous prime is 15454023983. The next prime is 15454024013. The reversal of 15454023997 is 79932045451.

15454023997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11095251556 + 4358772441 = 105334^2 + 66021^2 .

It is a cyclic number.

It is not a de Polignac number, because 15454023997 - 2¹⁵ = 15453991229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15454023997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15454023967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7727011998 + 7727011999.

It is an arithmetic number, because the mean of its divisors is an integer number (7727011999).

Almost surely, 2^15454023997 is an apocalyptic number.

It is an amenable number.

15454023997 is a deficient number, since it is larger than the sum of its proper divisors (1).

15454023997 is an equidigital number, since it uses as much as digits as its factorization.

15454023997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 15454023997 in words is "fifteen billion, four hundred fifty-four million, twenty-three thousand, nine hundred ninety-seven".