1428876288061 has 2 divisors, whose sum is σ = 1428876288062. Its totient is φ = 1428876288060.

The previous prime is 1428876287989. The next prime is 1428876288071. The reversal of 1428876288061 is 1608826788241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 820817880100 + 608058407961 = 905990^2 + 779781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1428876288061 is a prime.

It is a super-2 number, since 2×1428876288061² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428876288071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714438144030 + 714438144031.

It is an arithmetic number, because the mean of its divisors is an integer number (714438144031).

Almost surely, 2^{1428876288061} is an apocalyptic number.

It is an amenable number.

1428876288061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428876288061 is an equidigital number, since it uses as much as digits as its factorization.

1428876288061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16515072, while the sum is 61.

The spelling of 1428876288061 in words is "one trillion, four hundred twenty-eight billion, eight hundred seventy-six million, two hundred eighty-eight thousand, sixty-one".