1370538940691 has 2 divisors, whose sum is σ = 1370538940692. Its totient is φ = 1370538940690.

The previous prime is 1370538940663. The next prime is 1370538940699. The reversal of 1370538940691 is 1960498350731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1370538940691 - 2⁶ = 1370538940627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1370538940699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685269470345 + 685269470346.

It is an arithmetic number, because the mean of its divisors is an integer number (685269470346).

Almost surely, 2^{1370538940691} is an apocalyptic number.

1370538940691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370538940691 is an equidigital number, since it uses as much as digits as its factorization.

1370538940691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 1370538940691 in words is "one trillion, three hundred seventy billion, five hundred thirty-eight million, nine hundred forty thousand, six hundred ninety-one".