334780134457 has 2 divisors, whose sum is σ = 334780134458. Its totient is φ = 334780134456.

The previous prime is 334780134407. The next prime is 334780134461. The reversal of 334780134457 is 754431087433.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241772823616 + 93007310841 = 491704^2 + 304971^2 .

It is a cyclic number.

It is not a de Polignac number, because 334780134457 - 2²⁷ = 334645916729 is a prime.

It is a super-2 number, since 2×334780134457² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 334780134457.

It is not a weakly prime, because it can be changed into another prime (334780134407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167390067228 + 167390067229.

It is an arithmetic number, because the mean of its divisors is an integer number (167390067229).

Almost surely, 2^334780134457 is an apocalyptic number.

It is an amenable number.

334780134457 is a deficient number, since it is larger than the sum of its proper divisors (1).

334780134457 is an equidigital number, since it uses as much as digits as its factorization.

334780134457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 334780134457 in words is "three hundred thirty-four billion, seven hundred eighty million, one hundred thirty-four thousand, four hundred fifty-seven".