425216151396 has 135 divisors (see below), whose sum is σ = 1181387935497. Its totient is φ = 133338545280.

The previous prime is 425216151377. The next prime is 425216151397. The reversal of 425216151396 is 693151612524.

It is a happy number.

The square root of 425216151396 is 652086.

It is a perfect power (a square), and thus also a powerful number.

425216151396 is a `hidden beast` number, since 4 + 2 + 5 + 21 + 615 + 1 + 3 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 331050636900 + 94165514496 = 575370^2 + 306864^2 .

It is not an unprimeable number, because it can be changed into a prime (425216151397) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 199537251 + ... + 199539381.

Almost surely, 2^425216151396 is an apocalyptic number.

425216151396 is the 652086-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425216151396

425216151396 is an abundant number, since it is smaller than the sum of its proper divisors (756171784101).

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

425216151396 is an equidigital number, since it uses as much as digits as its factorization.

425216151396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312 (or 2153 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 425216151396 in words is "four hundred twenty-five billion, two hundred sixteen million, one hundred fifty-one thousand, three hundred ninety-six".