425221421034 has 32 divisors (see below), whose sum is σ = 853419986496. Its totient is φ = 141244508160.

The previous prime is 425221421021. The next prime is 425221421047. The reversal of 425221421034 is 430124122524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (425221421021) and next prime (425221421047).

It is a junction number, because it is equal to n+sod(n) for n = 425221420992 and 425221421010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8228244 + ... + 8279760.

It is an arithmetic number, because the mean of its divisors is an integer number (26669374578).

Almost surely, 2^425221421034 is an apocalyptic number.

425221421034 is an abundant number, since it is smaller than the sum of its proper divisors (428198565462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425221421034 is a wasteful number, since it uses less digits than its factorization.

425221421034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56310.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 425221421034 its reverse (430124122524), we get a palindrome (855345543558).

The spelling of 425221421034 in words is "four hundred twenty-five billion, two hundred twenty-one million, four hundred twenty-one thousand, thirty-four".