42435413326551 has 24 divisors (see below), whose sum is σ = 66108140133120. Its totient is φ = 24141984655152.

The previous prime is 42435413326541. The next prime is 42435413326577. The reversal of 42435413326551 is 15562331453424.

It is not a de Polignac number, because 42435413326551 - 2⁵ = 42435413326519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42435413326551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42435413326511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635817471 + ... + 635884208.

It is an arithmetic number, because the mean of its divisors is an integer number (2754505838880).

Almost surely, 2^{42435413326551} is an apocalyptic number.

42435413326551 is a deficient number, since it is larger than the sum of its proper divisors (23672726806569).

42435413326551 is a wasteful number, since it uses less digits than its factorization.

42435413326551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271701923 (or 1271701916 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 48.

Adding to 42435413326551 its reverse (15562331453424), we get a palindrome (57997744779975).

The spelling of 42435413326551 in words is "forty-two trillion, four hundred thirty-five billion, four hundred thirteen million, three hundred twenty-six thousand, five hundred fifty-one".