425244531205415 has 8 divisors (see below), whose sum is σ = 532480108639968. Its totient is φ = 325404510835360.

The previous prime is 425244531205397. The next prime is 425244531205427. The reversal of 425244531205415 is 514502135442524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425244531205415 - 2²⁰ = 425244530156839 is a prime.

It is a super-2 number, since 2×425244531205415² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425244531205415.

It is a congruent number.

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, 1848889265996 + ... + 1848889266225.

It is an arithmetic number, because the mean of its divisors is an integer number (66560013579996).

Almost surely, 2^{425244531205415} is an apocalyptic number.

425244531205415 is a deficient number, since it is larger than the sum of its proper divisors (107235577434553).

425244531205415 is a wasteful number, since it uses less digits than its factorization.

425244531205415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697778532249.

The product of its (nonzero) digits is 3840000, while the sum is 47.

Adding to 425244531205415 its reverse (514502135442524), we get a palindrome (939746666647939).

The spelling of 425244531205415 in words is "four hundred twenty-five trillion, two hundred forty-four billion, five hundred thirty-one million, two hundred five thousand, four hundred fifteen".