1400212321913 has 2 divisors, whose sum is σ = 1400212321914. Its totient is φ = 1400212321912.

The previous prime is 1400212321901. The next prime is 1400212321967. The reversal of 1400212321913 is 3191232120041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1369337614969 + 30874706944 = 1170187^2 + 175712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400212321913 - 2¹⁸ = 1400212059769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1400212351913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700106160956 + 700106160957.

It is an arithmetic number, because the mean of its divisors is an integer number (700106160957).

Almost surely, 2^{1400212321913} is an apocalyptic number.

It is an amenable number.

1400212321913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400212321913 is an equidigital number, since it uses as much as digits as its factorization.

1400212321913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 1400212321913 its reverse (3191232120041), we get a palindrome (4591444441954).

The spelling of 1400212321913 in words is "one trillion, four hundred billion, two hundred twelve million, three hundred twenty-one thousand, nine hundred thirteen".