1434643390697 has 4 divisors (see below), whose sum is σ = 1565065517136. Its totient is φ = 1304221264260.

The previous prime is 1434643390693. The next prime is 1434643390723. The reversal of 1434643390697 is 7960933464341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1434643390697 - 2² = 1434643390693 is a prime.

It is a super-2 number, since 2×1434643390697² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1434643390693) 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, 65211063203 + ... + 65211063224.

It is an arithmetic number, because the mean of its divisors is an integer number (391266379284).

Almost surely, 2^{1434643390697} is an apocalyptic number.

It is an amenable number.

1434643390697 is a deficient number, since it is larger than the sum of its proper divisors (130422126439).

1434643390697 is a wasteful number, since it uses less digits than its factorization.

1434643390697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130422126438.

The product of its (nonzero) digits is 35271936, while the sum is 59.

Adding to 1434643390697 its sum of digits (59), we get a square (1434643390756 = 1197766²).

The spelling of 1434643390697 in words is "one trillion, four hundred thirty-four billion, six hundred forty-three million, three hundred ninety thousand, six hundred ninety-seven".