1400212321049 has 2 divisors, whose sum is σ = 1400212321050. Its totient is φ = 1400212321048.

The previous prime is 1400212321021. The next prime is 1400212321051. The reversal of 1400212321049 is 9401232120041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084239047824 + 315973273225 = 1041268^2 + 562115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400212321049 is a prime.

Together with 1400212321051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1400212321009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700106160524 + 700106160525.

It is an arithmetic number, because the mean of its divisors is an integer number (700106160525).

Almost surely, 2^{1400212321049} is an apocalyptic number.

It is an amenable number.

1400212321049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400212321049 is an equidigital number, since it uses as much as digits as its factorization.

1400212321049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1400212321049 in words is "one trillion, four hundred billion, two hundred twelve million, three hundred twenty-one thousand, forty-nine".