43354545507 has 36 divisors (see below), whose sum is σ = 78451092720. Its totient is φ = 22868328672.

The previous prime is 43354545461. The next prime is 43354545517. The reversal of 43354545507 is 70554545334.

43354545507 is a `hidden beast` number, since 4 + 3 + 3 + 54 + 545 + 50 + 7 = 666.

It is not a de Polignac number, because 43354545507 - 2⁷ = 43354545379 is a prime.

It is a super-2 number, since 2×43354545507² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43354545517) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3775407 + ... + 3786872.

It is an arithmetic number, because the mean of its divisors is an integer number (2179197020).

Almost surely, 2^43354545507 is an apocalyptic number.

43354545507 is a deficient number, since it is larger than the sum of its proper divisors (35096547213).

43354545507 is a wasteful number, since it uses less digits than its factorization.

43354545507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562312 (or 7562302 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 45.

The spelling of 43354545507 in words is "forty-three billion, three hundred fifty-four million, five hundred forty-five thousand, five hundred seven".