1393877387701 has 2 divisors, whose sum is σ = 1393877387702. Its totient is φ = 1393877387700.

The previous prime is 1393877387659. The next prime is 1393877387741. The reversal of 1393877387701 is 1077837783931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1057094478801 + 336782908900 = 1028151^2 + 580330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1393877387701 - 2¹³ = 1393877379509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1393877387741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696938693850 + 696938693851.

It is an arithmetic number, because the mean of its divisors is an integer number (696938693851).

Almost surely, 2^{1393877387701} is an apocalyptic number.

It is an amenable number.

1393877387701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393877387701 is an equidigital number, since it uses as much as digits as its factorization.

1393877387701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37340352, while the sum is 64.

The spelling of 1393877387701 in words is "one trillion, three hundred ninety-three billion, eight hundred seventy-seven million, three hundred eighty-seven thousand, seven hundred one".