1934412545 has 8 divisors (see below), whose sum is σ = 2499856296. Its totient is φ = 1428489216.

The previous prime is 1934412533. The next prime is 1934412547. The reversal of 1934412545 is 5452144391.

It can be written as a sum of positive squares in 4 ways, for example, as 27081616 + 1907330929 = 5204^2 + 43673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1934412545 - 2⁸ = 1934412289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1934412499 and 1934412508.

It is not an unprimeable number, because it can be changed into a prime (1934412547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14880032 + ... + 14880161.

It is an arithmetic number, because the mean of its divisors is an integer number (312482037).

Almost surely, 2^1934412545 is an apocalyptic number.

It is an amenable number.

1934412545 is a deficient number, since it is larger than the sum of its proper divisors (565443751).

1934412545 is a wasteful number, since it uses less digits than its factorization.

1934412545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29760211.

The product of its digits is 86400, while the sum is 38.

The square root of 1934412545 is about 43981.9570392223. The cubic root of 1934412545 is about 1245.9951925162.

The spelling of 1934412545 in words is "one billion, nine hundred thirty-four million, four hundred twelve thousand, five hundred forty-five".