43772117345 has 16 divisors (see below), whose sum is σ = 58108752000. Its totient is φ = 31385894400.

The previous prime is 43772117321. The next prime is 43772117357. The reversal of 43772117345 is 54371127734.

It is not a de Polignac number, because 43772117345 - 2¹² = 43772113249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43772117296 and 43772117305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5600720 + ... + 5608529.

It is an arithmetic number, because the mean of its divisors is an integer number (3631797000).

Almost surely, 2^43772117345 is an apocalyptic number.

It is an amenable number.

43772117345 is a deficient number, since it is larger than the sum of its proper divisors (14336634655).

43772117345 is a wasteful number, since it uses less digits than its factorization.

43772117345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11209336.

The product of its digits is 493920, while the sum is 44.

The spelling of 43772117345 in words is "forty-three billion, seven hundred seventy-two million, one hundred seventeen thousand, three hundred forty-five".