425403621262 has 4 divisors (see below), whose sum is σ = 638105431896. Its totient is φ = 212701810630.

The previous prime is 425403621173. The next prime is 425403621323. The reversal of 425403621262 is 262126304524.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106350905314 + ... + 106350905317.

It is an arithmetic number, because the mean of its divisors is an integer number (159526357974).

Almost surely, 2^425403621262 is an apocalyptic number.

425403621262 is a deficient number, since it is larger than the sum of its proper divisors (212701810634).

425403621262 is a wasteful number, since it uses less digits than its factorization.

425403621262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212701810633.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 425403621262 its reverse (262126304524), we get a palindrome (687529925786).

The spelling of 425403621262 in words is "four hundred twenty-five billion, four hundred three million, six hundred twenty-one thousand, two hundred sixty-two".