43115221462 has 4 divisors (see below), whose sum is σ = 64672832196. Its totient is φ = 21557610730.

The previous prime is 43115221459. The next prime is 43115221489. The reversal of 43115221462 is 26412251134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26412251134 = 2 ⋅13206125567.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10778805364 + ... + 10778805367.

It is an arithmetic number, because the mean of its divisors is an integer number (16168208049).

Almost surely, 2^43115221462 is an apocalyptic number.

43115221462 is a deficient number, since it is larger than the sum of its proper divisors (21557610734).

43115221462 is a wasteful number, since it uses less digits than its factorization.

43115221462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21557610733.

The product of its digits is 11520, while the sum is 31.

Adding to 43115221462 its reverse (26412251134), we get a palindrome (69527472596).

The spelling of 43115221462 in words is "forty-three billion, one hundred fifteen million, two hundred twenty-one thousand, four hundred sixty-two".