3547045749 has 8 divisors (see below), whose sum is σ = 5093193952. Its totient is φ = 2182797360.

The previous prime is 3547045741. The next prime is 3547045759. The reversal of 3547045749 is 9475407453.

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

It is not a de Polignac number, because 3547045749 - 2³ = 3547045741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3547045698 and 3547045707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547045741) 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, 45474907 + ... + 45474984.

It is an arithmetic number, because the mean of its divisors is an integer number (636649244).

Almost surely, 2^3547045749 is an apocalyptic number.

3547045749 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3547045749 is a deficient number, since it is larger than the sum of its proper divisors (1546148203).

3547045749 is a wasteful number, since it uses less digits than its factorization.

3547045749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90949907.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The square root of 3547045749 is about 59557.0797554749. The cubic root of 3547045749 is about 1525.0670219044.

The spelling of 3547045749 in words is "three billion, five hundred forty-seven million, forty-five thousand, seven hundred forty-nine".