64412451542 has 32 divisors (see below), whose sum is σ = 97698182400. Its totient is φ = 31849015968.

The previous prime is 64412451541. The next prime is 64412451547. The reversal of 64412451542 is 24515421446.

It is a junction number, because it is equal to n+sod(n) for n = 64412451496 and 64412451505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64412451541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88599983 + ... + 88600709.

It is an arithmetic number, because the mean of its divisors is an integer number (3053068200).

Almost surely, 2^64412451542 is an apocalyptic number.

64412451542 is a deficient number, since it is larger than the sum of its proper divisors (33285730858).

64412451542 is a wasteful number, since it uses less digits than its factorization.

64412451542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940.

The product of its digits is 153600, while the sum is 38.

Adding to 64412451542 its reverse (24515421446), we get a palindrome (88927872988).

The spelling of 64412451542 in words is "sixty-four billion, four hundred twelve million, four hundred fifty-one thousand, five hundred forty-two".