425473387695 has 72 divisors (see below), whose sum is σ = 783729591840. Its totient is φ = 213486750720.

The previous prime is 425473387693. The next prime is 425473387723. The reversal of 425473387695 is 596783374524.

It is a happy number.

425473387695 is a `hidden beast` number, since 4 + 2 + 5 + 473 + 3 + 8 + 76 + 95 = 666.

It is not a de Polignac number, because 425473387695 - 2¹ = 425473387693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425473387693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45109630 + ... + 45119060.

It is an arithmetic number, because the mean of its divisors is an integer number (10885133220).

Almost surely, 2^425473387695 is an apocalyptic number.

425473387695 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

425473387695 is a deficient number, since it is larger than the sum of its proper divisors (358256204145).

425473387695 is a wasteful number, since it uses less digits than its factorization.

425473387695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12945 (or 12925 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 63.

The spelling of 425473387695 in words is "four hundred twenty-five billion, four hundred seventy-three million, three hundred eighty-seven thousand, six hundred ninety-five".