1496312743721 has 2 divisors, whose sum is σ = 1496312743722. Its totient is φ = 1496312743720.

The previous prime is 1496312743687. The next prime is 1496312743729. The reversal of 1496312743721 is 1273472136941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1495839072025 + 473671696 = 1223045^2 + 21764^2 .

It is a cyclic number.

It is not a de Polignac number, because 1496312743721 - 2⁶ = 1496312743657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1496312743721.

It is not a weakly prime, because it can be changed into another prime (1496312743729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748156371860 + 748156371861.

It is an arithmetic number, because the mean of its divisors is an integer number (748156371861).

Almost surely, 2^{1496312743721} is an apocalyptic number.

It is an amenable number.

1496312743721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1496312743721 is an equidigital number, since it uses as much as digits as its factorization.

1496312743721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The spelling of 1496312743721 in words is "one trillion, four hundred ninety-six billion, three hundred twelve million, seven hundred forty-three thousand, seven hundred twenty-one".