1493009294957 has 2 divisors, whose sum is σ = 1493009294958. Its totient is φ = 1493009294956.

The previous prime is 1493009294951. The next prime is 1493009294999. The reversal of 1493009294957 is 7594929003941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1430334673156 + 62674621801 = 1195966^2 + 250349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493009294957 - 2¹⁰ = 1493009293933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1493009294957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493009294951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746504647478 + 746504647479.

It is an arithmetic number, because the mean of its divisors is an integer number (746504647479).

Almost surely, 2^{1493009294957} is an apocalyptic number.

It is an amenable number.

1493009294957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493009294957 is an equidigital number, since it uses as much as digits as its factorization.

1493009294957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 1493009294957 in words is "one trillion, four hundred ninety-three billion, nine million, two hundred ninety-four thousand, nine hundred fifty-seven".