1429774917677 has 2 divisors, whose sum is σ = 1429774917678. Its totient is φ = 1429774917676.

The previous prime is 1429774917671. The next prime is 1429774917737. The reversal of 1429774917677 is 7767194779241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1161812359876 + 267962557801 = 1077874^2 + 517651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1429774917677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1429774917677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429774917671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714887458838 + 714887458839.

It is an arithmetic number, because the mean of its divisors is an integer number (714887458839).

Almost surely, 2^{1429774917677} is an apocalyptic number.

It is an amenable number.

1429774917677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429774917677 is an equidigital number, since it uses as much as digits as its factorization.

1429774917677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 261382464, while the sum is 71.

The spelling of 1429774917677 in words is "one trillion, four hundred twenty-nine billion, seven hundred seventy-four million, nine hundred seventeen thousand, six hundred seventy-seven".