549149274746 has 4 divisors (see below), whose sum is σ = 823723912122. Its totient is φ = 274574637372.

The previous prime is 549149274731. The next prime is 549149274761. The reversal of 549149274746 is 647472941945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647472941945 = 5 ⋅129494588389.

It is an interprime number because it is at equal distance from previous prime (549149274731) and next prime (549149274761).

It can be written as a sum of positive squares in only one way, i.e., 549029131225 + 120143521 = 740965^2 + 10961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137287318685 + ... + 137287318688.

Almost surely, 2^549149274746 is an apocalyptic number.

549149274746 is a deficient number, since it is larger than the sum of its proper divisors (274574637376).

549149274746 is a wasteful number, since it uses less digits than its factorization.

549149274746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274574637375.

The product of its digits is 60963840, while the sum is 62.

The spelling of 549149274746 in words is "five hundred forty-nine billion, one hundred forty-nine million, two hundred seventy-four thousand, seven hundred forty-six".