425775121730 has 16 divisors (see below), whose sum is σ = 875880250560. Its totient is φ = 145980041712.

The previous prime is 425775121711. The next prime is 425775121741. The reversal of 425775121730 is 37121577524.

It is a super-3 number, since 3×425775121730³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041250800 + ... + 3041250939.

It is an arithmetic number, because the mean of its divisors is an integer number (54742515660).

Almost surely, 2^425775121730 is an apocalyptic number.

425775121730 is an abundant number, since it is smaller than the sum of its proper divisors (450105128830).

425775121730 is a wasteful number, since it uses less digits than its factorization.

425775121730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082501753.

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 425775121730 in words is "four hundred twenty-five billion, seven hundred seventy-five million, one hundred twenty-one thousand, seven hundred thirty".