1554013354079 has 2 divisors, whose sum is σ = 1554013354080.
Its totient is φ = 1554013354078.
The previous prime is 1554013354039. The next prime is 1554013354087. The reversal of 1554013354079 is 9704533104551.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1554013354079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1554013354039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777006677039 + 777006677040.
It is an arithmetic number, because the mean of its divisors is an integer number (777006677040).
Almost surely, 21554013354079 is an apocalyptic number.
1554013354079 is a deficient number, since it is larger than the sum of its proper divisors (1).
1554013354079 is an equidigital number, since it uses as much as digits as its factorization.
1554013354079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1134000, while the sum is 47.
The spelling of 1554013354079 in words is "one trillion, five hundred fifty-four billion, thirteen million, three hundred fifty-four thousand, seventy-nine".