45619919502749 has 8 divisors (see below), whose sum is σ = 45656994776280. Its totient is φ = 45582858167616.

The previous prime is 45619919502697. The next prime is 45619919502767. The reversal of 45619919502749 is 94720591991654.

It can be written as a sum of positive squares in 4 ways, for example, as 37088221800100 + 8531697702649 = 6090010^2 + 2920907^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45619919502749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45619919501749) 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, 3068999 + ... + 10032875.

It is an arithmetic number, because the mean of its divisors is an integer number (5707124347035).

Almost surely, 2^{45619919502749} is an apocalyptic number.

It is an amenable number.

45619919502749 is a deficient number, since it is larger than the sum of its proper divisors (37075273531).

45619919502749 is a wasteful number, since it uses less digits than its factorization.

45619919502749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6969199.

The product of its (nonzero) digits is 220449600, while the sum is 71.

The spelling of 45619919502749 in words is "forty-five trillion, six hundred nineteen billion, nine hundred nineteen million, five hundred two thousand, seven hundred forty-nine".