425454234335512 has 16 divisors (see below), whose sum is σ = 797732506491840. Its totient is φ = 212725565937696.

The previous prime is 425454234335503. The next prime is 425454234335519. The reversal of 425454234335512 is 215533432454524.

It is a super-2 number, since 2×425454234335512² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425454234335512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425454234335519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192737703 + ... + 194932630.

It is an arithmetic number, because the mean of its divisors is an integer number (49858281655740).

Almost surely, 2^{425454234335512} is an apocalyptic number.

It is an amenable number.

425454234335512 is a deficient number, since it is larger than the sum of its proper divisors (372278272156328).

425454234335512 is a wasteful number, since it uses less digits than its factorization.

425454234335512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387807522 (or 387807518 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 52.

The spelling of 425454234335512 in words is "four hundred twenty-five trillion, four hundred fifty-four billion, two hundred thirty-four million, three hundred thirty-five thousand, five hundred twelve".