1400207569819 has 2 divisors, whose sum is σ = 1400207569820. Its totient is φ = 1400207569818.

The previous prime is 1400207569811. The next prime is 1400207569823. The reversal of 1400207569819 is 9189657020041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400207569819 - 2³ = 1400207569811 is a prime.

It is a super-2 number, since 2×1400207569819² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1400207569811) 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, 700103784909 + 700103784910.

It is an arithmetic number, because the mean of its divisors is an integer number (700103784910).

Almost surely, 2^{1400207569819} is an apocalyptic number.

1400207569819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400207569819 is an equidigital number, since it uses as much as digits as its factorization.

1400207569819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 1400207569819 in words is "one trillion, four hundred billion, two hundred seven million, five hundred sixty-nine thousand, eight hundred nineteen".