554402402354491 has 2 divisors, whose sum is σ = 554402402354492. Its totient is φ = 554402402354490.

The previous prime is 554402402354483. The next prime is 554402402354551. The reversal of 554402402354491 is 194453204204455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554402402354491 - 2³ = 554402402354483 is a prime.

It is not a weakly prime, because it can be changed into another prime (554402402354461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277201201177245 + 277201201177246.

It is an arithmetic number, because the mean of its divisors is an integer number (277201201177246).

Almost surely, 2^{554402402354491} is an apocalyptic number.

554402402354491 is a deficient number, since it is larger than the sum of its proper divisors (1).

554402402354491 is an equidigital number, since it uses as much as digits as its factorization.

554402402354491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824000, while the sum is 52.

The spelling of 554402402354491 in words is "five hundred fifty-four trillion, four hundred two billion, four hundred two million, three hundred fifty-four thousand, four hundred ninety-one".