1254642417073 has 2 divisors, whose sum is σ = 1254642417074. Its totient is φ = 1254642417072.

The previous prime is 1254642417043. The next prime is 1254642417101. The reversal of 1254642417073 is 3707142464521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996107794704 + 258534622369 = 998052^2 + 508463^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254642417073 - 2³³ = 1246052482481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254642417043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627321208536 + 627321208537.

It is an arithmetic number, because the mean of its divisors is an integer number (627321208537).

Almost surely, 2^{1254642417073} is an apocalyptic number.

It is an amenable number.

1254642417073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254642417073 is an equidigital number, since it uses as much as digits as its factorization.

1254642417073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 1254642417073 in words is "one trillion, two hundred fifty-four billion, six hundred forty-two million, four hundred seventeen thousand, seventy-three".