425143443251554 has 8 divisors (see below), whose sum is σ = 637715741575680. Its totient is φ = 212571529392996.

The previous prime is 425143443251537. The next prime is 425143443251563. The reversal of 425143443251554 is 455152344341524.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93335794 + ... + 97784749.

It is an arithmetic number, because the mean of its divisors is an integer number (79714467696960).

Almost surely, 2^{425143443251554} is an apocalyptic number.

425143443251554 is a deficient number, since it is larger than the sum of its proper divisors (212572298324126).

425143443251554 is a wasteful number, since it uses less digits than its factorization.

425143443251554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192232784.

The product of its digits is 23040000, while the sum is 52.

The spelling of 425143443251554 in words is "four hundred twenty-five trillion, one hundred forty-three billion, four hundred forty-three million, two hundred fifty-one thousand, five hundred fifty-four".