3478706186641 has 9 divisors (see below), whose sum is σ = 4046673404649. Its totient is φ = 2981736969204.

The previous prime is 3478706186617. The next prime is 3478706186689. The reversal of 3478706186641 is 1466816078743.

The square root of 3478706186641 is 1865129.

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

It is not a de Polignac number, because 3478706186641 - 2¹¹ = 3478706184593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3478706186641.

It is not an unprimeable number, because it can be changed into a prime (3478706186041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12922680 + ... + 13189126.

Almost surely, 2^{3478706186641} is an apocalyptic number.

3478706186641 is the 1865129-th square number.

3478706186641 is the 932565-th centered octagonal number.

It is an amenable number.

3478706186641 is a deficient number, since it is larger than the sum of its proper divisors (567967218008).

3478706186641 is an frugal number, since it uses more digits than its factorization.

3478706186641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532908 (or 266454 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 3478706186641 in words is "three trillion, four hundred seventy-eight billion, seven hundred six million, one hundred eighty-six thousand, six hundred forty-one".