39354227641 has 27 divisors (see below), whose sum is σ = 42548952621. Its totient is φ = 36393817824.

The previous prime is 39354227629. The next prime is 39354227659. The reversal of 39354227641 is 14672245393.

The square root of 39354227641 is 198379.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 23052045241 + 16302182400 = 151829^2 + 127680^2 .

It is not a de Polignac number, because 39354227641 - 2⁵ = 39354227609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39354227591 and 39354227600.

It is not an unprimeable number, because it can be changed into a prime (39354227621) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 199767555 + ... + 199767751.

Almost surely, 2^39354227641 is an apocalyptic number.

39354227641 is the 198379-th square number.

39354227641 is the 99190-th centered octagonal number.

It is an amenable number.

39354227641 is a deficient number, since it is larger than the sum of its proper divisors (3194724980).

39354227641 is an frugal number, since it uses more digits than its factorization.

39354227641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 269 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 46.

The spelling of 39354227641 in words is "thirty-nine billion, three hundred fifty-four million, two hundred twenty-seven thousand, six hundred forty-one".