42147671025465 has 16 divisors (see below), whose sum is σ = 74929192934400. Its totient is φ = 22478757880176.

The previous prime is 42147671025409. The next prime is 42147671025517. The reversal of 42147671025465 is 56452017674124.

42147671025465 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 76 + 7 + 102 + 5 + 465 = 666.

It is not a de Polignac number, because 42147671025465 - 2⁷ = 42147671025337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156102485145 + ... + 156102485414.

It is an arithmetic number, because the mean of its divisors is an integer number (4683074558400).

Almost surely, 2^{42147671025465} is an apocalyptic number.

42147671025465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42147671025465 is a deficient number, since it is larger than the sum of its proper divisors (32781521908935).

42147671025465 is a wasteful number, since it uses less digits than its factorization.

42147671025465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312204970573 (or 312204970567 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

Adding to 42147671025465 its reverse (56452017674124), we get a palindrome (98599688699589).

The spelling of 42147671025465 in words is "forty-two trillion, one hundred forty-seven billion, six hundred seventy-one million, twenty-five thousand, four hundred sixty-five".