34787431457 has 4 divisors (see below), whose sum is σ = 34798696260. Its totient is φ = 34776166656.

The previous prime is 34787431453. The next prime is 34787431477. The reversal of 34787431457 is 75413478743.

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 22692710881 + 12094720576 = 150641^2 + 109976^2 .

It is a cyclic number.

It is not a de Polignac number, because 34787431457 - 2² = 34787431453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34787431399 and 34787431408.

It is not an unprimeable number, because it can be changed into a prime (34787431451) 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, 5627768 + ... + 5633945.

It is an arithmetic number, because the mean of its divisors is an integer number (8699674065).

Almost surely, 2^34787431457 is an apocalyptic number.

It is an amenable number.

34787431457 is a deficient number, since it is larger than the sum of its proper divisors (11264803).

34787431457 is a wasteful number, since it uses less digits than its factorization.

34787431457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264802.

The product of its digits is 7902720, while the sum is 53.

The spelling of 34787431457 in words is "thirty-four billion, seven hundred eighty-seven million, four hundred thirty-one thousand, four hundred fifty-seven".