347546012749 has 4 divisors (see below), whose sum is σ = 374280321436. Its totient is φ = 320811704064.

The previous prime is 347546012687. The next prime is 347546012773. The reversal of 347546012749 is 947210645743.

It is a happy number.

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 219440718025 + 128105294724 = 468445^2 + 357918^2 .

It is a cyclic number.

It is not a de Polignac number, because 347546012749 - 2⁷ = 347546012621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 347546012696 and 347546012705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347546012789) 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, 13367154324 + ... + 13367154349.

It is an arithmetic number, because the mean of its divisors is an integer number (93570080359).

Almost surely, 2^347546012749 is an apocalyptic number.

It is an amenable number.

347546012749 is a deficient number, since it is larger than the sum of its proper divisors (26734308687).

347546012749 is a wasteful number, since it uses less digits than its factorization.

347546012749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26734308686.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 347546012749 in words is "three hundred forty-seven billion, five hundred forty-six million, twelve thousand, seven hundred forty-nine".