1400243247077 has 2 divisors, whose sum is σ = 1400243247078. Its totient is φ = 1400243247076.

The previous prime is 1400243246971. The next prime is 1400243247083. The reversal of 1400243247077 is 7707423420041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1169352425956 + 230890821121 = 1081366^2 + 480511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400243247077 - 2¹⁴ = 1400243230693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400243247097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700121623538 + 700121623539.

It is an arithmetic number, because the mean of its divisors is an integer number (700121623539).

Almost surely, 2^{1400243247077} is an apocalyptic number.

It is an amenable number.

1400243247077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400243247077 is an equidigital number, since it uses as much as digits as its factorization.

1400243247077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 41.

The spelling of 1400243247077 in words is "one trillion, four hundred billion, two hundred forty-three million, two hundred forty-seven thousand, seventy-seven".