1493852113931 has 2 divisors, whose sum is σ = 1493852113932. Its totient is φ = 1493852113930.

The previous prime is 1493852113829. The next prime is 1493852113951. The reversal of 1493852113931 is 1393112583941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1493852113931 is a prime.

It is a super-2 number, since 2×1493852113931² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1493852113931.

It is not a weakly prime, because it can be changed into another prime (1493852113951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746926056965 + 746926056966.

It is an arithmetic number, because the mean of its divisors is an integer number (746926056966).

Almost surely, 2^{1493852113931} is an apocalyptic number.

1493852113931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493852113931 is an equidigital number, since it uses as much as digits as its factorization.

1493852113931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 50.

The spelling of 1493852113931 in words is "one trillion, four hundred ninety-three billion, eight hundred fifty-two million, one hundred thirteen thousand, nine hundred thirty-one".