43492563709 has 6 divisors (see below), whose sum is σ = 50593390494. Its totient is φ = 37279340280.

The previous prime is 43492563707. The next prime is 43492563721. The reversal of 43492563709 is 90736529434.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26578780900 + 16913782809 = 163030^2 + 130053^2 .

It is not a de Polignac number, because 43492563709 - 2¹ = 43492563707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43492563701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 443801622 + ... + 443801719.

It is an arithmetic number, because the mean of its divisors is an integer number (8432231749).

Almost surely, 2^43492563709 is an apocalyptic number.

43492563709 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

43492563709 is a deficient number, since it is larger than the sum of its proper divisors (7100826785).

43492563709 is an equidigital number, since it uses as much as digits as its factorization.

43492563709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887603355 (or 887603348 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 43492563709 in words is "forty-three billion, four hundred ninety-two million, five hundred sixty-three thousand, seven hundred nine".