15454861379 has 2 divisors, whose sum is σ = 15454861380. Its totient is φ = 15454861378.

The previous prime is 15454861361. The next prime is 15454861393. The reversal of 15454861379 is 97316845451.

15454861379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15454861379 - 2¹⁶ = 15454795843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15454861379.

It is not a weakly prime, because it can be changed into another prime (15454861319) 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, 7727430689 + 7727430690.

It is an arithmetic number, because the mean of its divisors is an integer number (7727430690).

Almost surely, 2^15454861379 is an apocalyptic number.

15454861379 is a deficient number, since it is larger than the sum of its proper divisors (1).

15454861379 is an equidigital number, since it uses as much as digits as its factorization.

15454861379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 53.

The spelling of 15454861379 in words is "fifteen billion, four hundred fifty-four million, eight hundred sixty-one thousand, three hundred seventy-nine".