1434428693679 has 4 divisors (see below), whose sum is σ = 1912571591576. Its totient is φ = 956285795784.

The previous prime is 1434428693653. The next prime is 1434428693681. The reversal of 1434428693679 is 9763968244341.

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

It is not a de Polignac number, because 1434428693679 - 2²⁰ = 1434427645103 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 (1434428692679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239071448944 + ... + 239071448949.

It is an arithmetic number, because the mean of its divisors is an integer number (478142897894).

Almost surely, 2^{1434428693679} is an apocalyptic number.

1434428693679 is a deficient number, since it is larger than the sum of its proper divisors (478142897897).

1434428693679 is an equidigital number, since it uses as much as digits as its factorization.

1434428693679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478142897896.

The product of its digits is 188116992, while the sum is 66.

The spelling of 1434428693679 in words is "one trillion, four hundred thirty-four billion, four hundred twenty-eight million, six hundred ninety-three thousand, six hundred seventy-nine".