1655641362013 has 2 divisors, whose sum is σ = 1655641362014. Its totient is φ = 1655641362012.

The previous prime is 1655641361951. The next prime is 1655641362019. The reversal of 1655641362013 is 3102631465561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 934427688964 + 721213673049 = 966658^2 + 849243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1655641362013 is a prime.

It is a super-2 number, since 2×1655641362013² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655641362019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827820681006 + 827820681007.

It is an arithmetic number, because the mean of its divisors is an integer number (827820681007).

Almost surely, 2^{1655641362013} is an apocalyptic number.

It is an amenable number.

1655641362013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655641362013 is an equidigital number, since it uses as much as digits as its factorization.

1655641362013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 1655641362013 in words is "one trillion, six hundred fifty-five billion, six hundred forty-one million, three hundred sixty-two thousand, thirteen".