1401544144019 has 2 divisors, whose sum is σ = 1401544144020. Its totient is φ = 1401544144018.

The previous prime is 1401544143991. The next prime is 1401544144067. The reversal of 1401544144019 is 9104414451041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1401544144019 - 2²⁴ = 1401527366803 is a prime.

It is a super-2 number, since 2×1401544144019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1401544144079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700772072009 + 700772072010.

It is an arithmetic number, because the mean of its divisors is an integer number (700772072010).

Almost surely, 2^{1401544144019} is an apocalyptic number.

1401544144019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401544144019 is an equidigital number, since it uses as much as digits as its factorization.

1401544144019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 1401544144019 in words is "one trillion, four hundred one billion, five hundred forty-four million, one hundred forty-four thousand, nineteen".