253645006402 has 8 divisors (see below), whose sum is σ = 381471382800. Its totient is φ = 126487878804.

The previous prime is 253645006379. The next prime is 253645006423. The reversal of 253645006402 is 204600546352.

253645006402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167311252 + ... + 167312767.

It is an arithmetic number, because the mean of its divisors is an integer number (47683922850).

Almost surely, 2^253645006402 is an apocalyptic number.

253645006402 is a deficient number, since it is larger than the sum of its proper divisors (127826376398).

253645006402 is a wasteful number, since it uses less digits than its factorization.

253645006402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334624400.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 253645006402 in words is "two hundred fifty-three billion, six hundred forty-five million, six thousand, four hundred two".