743710400434 has 4 divisors (see below), whose sum is σ = 1115565600654. Its totient is φ = 371855200216.

The previous prime is 743710400431. The next prime is 743710400443. The reversal of 743710400434 is 434004017347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434004017347 = 514277 ⋅843911.

It can be written as a sum of positive squares in only one way, i.e., 467039660409 + 276670740025 = 683403^2 + 525995^2 .

It is a junction number, because it is equal to n+sod(n) for n = 743710400393 and 743710400402.

It is not an unprimeable number, because it can be changed into a prime (743710400431) 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 as a sum of consecutive naturals, namely, 185927600107 + ... + 185927600110.

Almost surely, 2^743710400434 is an apocalyptic number.

743710400434 is a deficient number, since it is larger than the sum of its proper divisors (371855200220).

743710400434 is a wasteful number, since it uses less digits than its factorization.

743710400434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371855200219.

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 743710400434 in words is "seven hundred forty-three billion, seven hundred ten million, four hundred thousand, four hundred thirty-four".