253454722342 has 4 divisors (see below), whose sum is σ = 380182083516. Its totient is φ = 126727361170.

The previous prime is 253454722337. The next prime is 253454722343. The reversal of 253454722342 is 243227454352.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253454722343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63363680584 + ... + 63363680587.

It is an arithmetic number, because the mean of its divisors is an integer number (95045520879).

Almost surely, 2^253454722342 is an apocalyptic number.

253454722342 is a deficient number, since it is larger than the sum of its proper divisors (126727361174).

253454722342 is a wasteful number, since it uses less digits than its factorization.

253454722342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126727361173.

The product of its digits is 1612800, while the sum is 43.

The spelling of 253454722342 in words is "two hundred fifty-three billion, four hundred fifty-four million, seven hundred twenty-two thousand, three hundred forty-two".