253421002054234 has 16 divisors (see below), whose sum is σ = 434442496707648. Its totient is φ = 108607377583872.

The previous prime is 253421002054189. The next prime is 253421002054237. The reversal of 253421002054234 is 432450200124352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 253421002054193 and 253421002054202.

It is not an unprimeable number, because it can be changed into a prime (253421002054237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134304327 + ... + 136178170.

It is an arithmetic number, because the mean of its divisors is an integer number (27152656044228).

Almost surely, 2^{253421002054234} is an apocalyptic number.

253421002054234 is a deficient number, since it is larger than the sum of its proper divisors (181021494653414).

253421002054234 is a wasteful number, since it uses less digits than its factorization.

253421002054234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270549429.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 253421002054234 its reverse (432450200124352), we get a palindrome (685871202178586).

The spelling of 253421002054234 in words is "two hundred fifty-three trillion, four hundred twenty-one billion, two million, fifty-four thousand, two hundred thirty-four".