1493308801 has 2 divisors, whose sum is σ = 1493308802. Its totient is φ = 1493308800.

The previous prime is 1493308783. The next prime is 1493308813. The reversal of 1493308801 is 1088033941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297728576 + 195580225 = 36024^2 + 13985^2 .

It is an emirp because it is prime and its reverse (1088033941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1493308801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1493308871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746654400 + 746654401.

It is an arithmetic number, because the mean of its divisors is an integer number (746654401).

Almost surely, 2^1493308801 is an apocalyptic number.

It is an amenable number.

1493308801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493308801 is an equidigital number, since it uses as much as digits as its factorization.

1493308801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1493308801 is about 38643.3539046496. The cubic root of 1493308801 is about 1143.0095918235.

The spelling of 1493308801 in words is "one billion, four hundred ninety-three million, three hundred eight thousand, eight hundred one".