64422409031 has 4 divisors (see below), whose sum is σ = 65383937592. Its totient is φ = 63460880472.

The previous prime is 64422409021. The next prime is 64422409043. The reversal of 64422409031 is 13090422446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64422409031 - 2¹⁴ = 64422392647 is a prime.

It is a super-2 number, since 2×64422409031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64422408982 and 64422409000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64422409021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480764180 + ... + 480764313.

It is an arithmetic number, because the mean of its divisors is an integer number (16345984398).

Almost surely, 2^64422409031 is an apocalyptic number.

64422409031 is a deficient number, since it is larger than the sum of its proper divisors (961528561).

64422409031 is an equidigital number, since it uses as much as digits as its factorization.

64422409031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961528560.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 64422409031 in words is "sixty-four billion, four hundred twenty-two million, four hundred nine thousand, thirty-one".