3546742949 has 6 divisors (see below), whose sum is σ = 3669376230. Its totient is φ = 3424131816.

The previous prime is 3546742873. The next prime is 3546742957. The reversal of 3546742949 is 9492476453.

It can be written as a sum of positive squares in only one way, i.e., 3057537025 + 489205924 = 55295^2 + 22118^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3546742949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3546742949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3546742349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315182 + ... + 326240.

It is an arithmetic number, because the mean of its divisors is an integer number (611562705).

Almost surely, 2^3546742949 is an apocalyptic number.

It is an amenable number.

3546742949 is a deficient number, since it is larger than the sum of its proper divisors (122633281).

3546742949 is an frugal number, since it uses more digits than its factorization.

3546742949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22147 (or 11088 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 53.

The square root of 3546742949 is about 59554.5376021005. The cubic root of 3546742949 is about 1525.0236239644.

The spelling of 3546742949 in words is "three billion, five hundred forty-six million, seven hundred forty-two thousand, nine hundred forty-nine".