273402798449618 has 16 divisors (see below), whose sum is σ = 430273256582400. Its totient is φ = 130122960656400.

The previous prime is 273402798449531. The next prime is 273402798449629. The reversal of 273402798449618 is 816944897204372.

It is a happy number.

273402798449618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36145263068 + ... + 36145270631.

It is an arithmetic number, because the mean of its divisors is an integer number (26892078536400).

Almost surely, 2^{273402798449618} is an apocalyptic number.

273402798449618 is a deficient number, since it is larger than the sum of its proper divisors (156870458132782).

273402798449618 is a wasteful number, since it uses less digits than its factorization.

273402798449618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72290533793.

The product of its (nonzero) digits is 1170505728, while the sum is 74.

The spelling of 273402798449618 in words is "two hundred seventy-three trillion, four hundred two billion, seven hundred ninety-eight million, four hundred forty-nine thousand, six hundred eighteen".