642306150451 has 16 divisors (see below), whose sum is σ = 737455267584. Its totient is φ = 548005845024.

The previous prime is 642306150449. The next prime is 642306150469. The reversal of 642306150451 is 154051603246.

It is a cyclic number.

It is not a de Polignac number, because 642306150451 - 2¹ = 642306150449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 642306150451.

It is not an unprimeable number, because it can be changed into a prime (642306150851) 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 15 ways as a sum of consecutive naturals, for example, 7861456 + ... + 7942738.

It is an arithmetic number, because the mean of its divisors is an integer number (46090954224).

Almost surely, 2^642306150451 is an apocalyptic number.

642306150451 is a deficient number, since it is larger than the sum of its proper divisors (95149117133).

642306150451 is a wasteful number, since it uses less digits than its factorization.

642306150451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86490.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 642306150451 its reverse (154051603246), we get a palindrome (796357753697).

The spelling of 642306150451 in words is "six hundred forty-two billion, three hundred six million, one hundred fifty thousand, four hundred fifty-one".