1394404452901 has 8 divisors (see below), whose sum is σ = 1442504100600. Its totient is φ = 1346305920960.

The previous prime is 1394404452877. The next prime is 1394404453019. The reversal of 1394404452901 is 1092544044931.

It can be written as a sum of positive squares in 4 ways, for example, as 16243502500 + 1378160950401 = 127450^2 + 1173951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1394404452901 - 2⁷ = 1394404452773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394404456901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864035 + ... + 3315343.

It is an arithmetic number, because the mean of its divisors is an integer number (180313012575).

Almost surely, 2^{1394404452901} is an apocalyptic number.

It is an amenable number.

1394404452901 is a deficient number, since it is larger than the sum of its proper divisors (48099647699).

1394404452901 is a wasteful number, since it uses less digits than its factorization.

1394404452901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557879.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 1394404452901 in words is "one trillion, three hundred ninety-four billion, four hundred four million, four hundred fifty-two thousand, nine hundred one".