43491077652 has 24 divisors (see below), whose sum is σ = 110704561632. Its totient is φ = 13179114400.

The previous prime is 43491077627. The next prime is 43491077677. The reversal of 43491077652 is 25677019434.

It is an interprime number because it is at equal distance from previous prime (43491077627) and next prime (43491077677).

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, 164738799 + ... + 164739062.

It is an arithmetic number, because the mean of its divisors is an integer number (4612690068).

Almost surely, 2^43491077652 is an apocalyptic number.

It is an amenable number.

43491077652 is an abundant number, since it is smaller than the sum of its proper divisors (67213483980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43491077652 is a wasteful number, since it uses less digits than its factorization.

43491077652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329477879 (or 329477877 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 43491077652 in words is "forty-three billion, four hundred ninety-one million, seventy-seven thousand, six hundred fifty-two".