43491998462 has 16 divisors (see below), whose sum is σ = 71445655152. Its totient is φ = 19692165120.

The previous prime is 43491998453. The next prime is 43491998497. The reversal of 43491998462 is 26489919434.

43491998462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43491998462² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3840473 + ... + 3851780.

It is an arithmetic number, because the mean of its divisors is an integer number (4465353447).

Almost surely, 2^43491998462 is an apocalyptic number.

43491998462 is a deficient number, since it is larger than the sum of its proper divisors (27953656690).

43491998462 is a wasteful number, since it uses less digits than its factorization.

43491998462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692523.

The product of its digits is 13436928, while the sum is 59.

The spelling of 43491998462 in words is "forty-three billion, four hundred ninety-one million, nine hundred ninety-eight thousand, four hundred sixty-two".