42451084071 has 32 divisors (see below), whose sum is σ = 69732560640. Its totient is φ = 25306149600.

The previous prime is 42451084043. The next prime is 42451084099. The reversal of 42451084071 is 17048015424.

It is a happy number.

42451084071 is a `hidden beast` number, since 4 + 245 + 1 + 0 + 8 + 407 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (42451084043) and next prime (42451084099).

It is not a de Polignac number, because 42451084071 - 2¹⁵ = 42451051303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42451084031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1153465 + ... + 1189698.

It is an arithmetic number, because the mean of its divisors is an integer number (2179142520).

Almost surely, 2^42451084071 is an apocalyptic number.

42451084071 is a deficient number, since it is larger than the sum of its proper divisors (27281476569).

42451084071 is a wasteful number, since it uses less digits than its factorization.

42451084071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343244 (or 2343238 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

Adding to 42451084071 its reverse (17048015424), we get a palindrome (59499099495).

The spelling of 42451084071 in words is "forty-two billion, four hundred fifty-one million, eighty-four thousand, seventy-one".