64425211434435 has 32 divisors (see below), whose sum is σ = 104492526796800. Its totient is φ = 33892511038848.

The previous prime is 64425211434431. The next prime is 64425211434461. The reversal of 64425211434435 is 53443411252446.

It is not a de Polignac number, because 64425211434435 - 2² = 64425211434431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64425211434431) 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, 97413235 + ... + 98072364.

It is an arithmetic number, because the mean of its divisors is an integer number (3265391462400).

Almost surely, 2^{64425211434435} is an apocalyptic number.

64425211434435 is a deficient number, since it is larger than the sum of its proper divisors (40067315362365).

64425211434435 is a wasteful number, since it uses less digits than its factorization.

64425211434435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195485907.

The product of its digits is 5529600, while the sum is 48.

The spelling of 64425211434435 in words is "sixty-four trillion, four hundred twenty-five billion, two hundred eleven million, four hundred thirty-four thousand, four hundred thirty-five".