1642790200213 has 2 divisors, whose sum is σ = 1642790200214. Its totient is φ = 1642790200212.

The previous prime is 1642790200193. The next prime is 1642790200253. The reversal of 1642790200213 is 3120020972461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1639687933009 + 3102267204 = 1280503^2 + 55698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1642790200213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1642790200253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821395100106 + 821395100107.

It is an arithmetic number, because the mean of its divisors is an integer number (821395100107).

Almost surely, 2^{1642790200213} is an apocalyptic number.

It is an amenable number.

1642790200213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642790200213 is an equidigital number, since it uses as much as digits as its factorization.

1642790200213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 1642790200213 in words is "one trillion, six hundred forty-two billion, seven hundred ninety million, two hundred thousand, two hundred thirteen".