1394632801 has 2 divisors, whose sum is σ = 1394632802. Its totient is φ = 1394632800.

The previous prime is 1394632783. The next prime is 1394632843. The reversal of 1394632801 is 1082364931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948578401 + 446054400 = 30799^2 + 21120^2 .

It is an emirp because it is prime and its reverse (1082364931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1394632801 - 2⁵ = 1394632769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1394632871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697316400 + 697316401.

It is an arithmetic number, because the mean of its divisors is an integer number (697316401).

Almost surely, 2^1394632801 is an apocalyptic number.

It is an amenable number.

1394632801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394632801 is an equidigital number, since it uses as much as digits as its factorization.

1394632801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1394632801 is about 37344.7827815346. The cubic root of 1394632801 is about 1117.2575336569.

The spelling of 1394632801 in words is "one billion, three hundred ninety-four million, six hundred thirty-two thousand, eight hundred one".