1430688700997 has 4 divisors (see below), whose sum is σ = 1430818857420. Its totient is φ = 1430558544576.

The previous prime is 1430688700951. The next prime is 1430688701009. The reversal of 1430688700997 is 7990078860341.

It is a Cunningham number, because it is equal to 1196114²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 239205115396 + 1191483585601 = 489086^2 + 1091551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430688700997 - 2⁶ = 1430688700933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430688700897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65061722 + ... + 65083707.

It is an arithmetic number, because the mean of its divisors is an integer number (357704714355).

Almost surely, 2^{1430688700997} is an apocalyptic number.

It is an amenable number.

1430688700997 is a deficient number, since it is larger than the sum of its proper divisors (130156423).

1430688700997 is a wasteful number, since it uses less digits than its factorization.

1430688700997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130156422.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 1430688700997 in words is "one trillion, four hundred thirty billion, six hundred eighty-eight million, seven hundred thousand, nine hundred ninety-seven".