1430405421077 has 2 divisors, whose sum is σ = 1430405421078. Its totient is φ = 1430405421076.

The previous prime is 1430405421043. The next prime is 1430405421089. The reversal of 1430405421077 is 7701245040341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 721456576996 + 708948844081 = 849386^2 + 841991^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430405421077 - 2²⁸ = 1430136985621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1430405421077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430405421877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715202710538 + 715202710539.

It is an arithmetic number, because the mean of its divisors is an integer number (715202710539).

Almost surely, 2^{1430405421077} is an apocalyptic number.

It is an amenable number.

1430405421077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430405421077 is an equidigital number, since it uses as much as digits as its factorization.

1430405421077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 1430405421077 in words is "one trillion, four hundred thirty billion, four hundred five million, four hundred twenty-one thousand, seventy-seven".