1394947604241 has 15 divisors (see below), whose sum is σ = 2083826497753. Its totient is φ = 929957983020.

The previous prime is 1394947604233. The next prime is 1394947604257. The reversal of 1394947604241 is 1424067494931.

It is a happy number.

The square root of 1394947604241 is 1181079.

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

1394947604241 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 9 + 4 + 7 + 604 + 24 + 1 = 666.

It is not a de Polignac number, because 1394947604241 - 2³ = 1394947604233 is a prime.

It is a super-2 number, since 2×1394947604241² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1394947603241) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10564096 + ... + 10695326.

Almost surely, 2^{1394947604241} is an apocalyptic number.

1394947604241 is the 1181079-th square number.

1394947604241 is the 590540-th centered octagonal number.

It is an amenable number.

1394947604241 is a deficient number, since it is larger than the sum of its proper divisors (688878893512).

1394947604241 is an frugal number, since it uses more digits than its factorization.

1394947604241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262474 (or 131234 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 1394947604241 in words is "one trillion, three hundred ninety-four billion, nine hundred forty-seven million, six hundred four thousand, two hundred forty-one".