1351637644039 has 2 divisors, whose sum is σ = 1351637644040. Its totient is φ = 1351637644038.

The previous prime is 1351637643959. The next prime is 1351637644099. The reversal of 1351637644039 is 9304467361531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1351637644039 - 2¹⁵ = 1351637611271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351637644099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675818822019 + 675818822020.

It is an arithmetic number, because the mean of its divisors is an integer number (675818822020).

Almost surely, 2^{1351637644039} is an apocalyptic number.

1351637644039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351637644039 is an equidigital number, since it uses as much as digits as its factorization.

1351637644039 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 52.

The spelling of 1351637644039 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-seven million, six hundred forty-four thousand, thirty-nine".