549694496945 has 16 divisors (see below), whose sum is σ = 719639389440. Its totient is φ = 399755971200.

The previous prime is 549694496927. The next prime is 549694497083.

549694496945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 549694496945 - 2⁶ = 549694496881 is a prime.

It is a super-2 number, since 2×549694496945² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779165 + ... + 1306325.

It is an arithmetic number, because the mean of its divisors is an integer number (44977461840).

Almost surely, 2^549694496945 is an apocalyptic number.

549694496945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

549694496945 is a deficient number, since it is larger than the sum of its proper divisors (169944892495).

549694496945 is a wasteful number, since it uses less digits than its factorization.

549694496945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546136.

The product of its digits is 1511654400, while the sum is 74.

The spelling of 549694496945 in words is "five hundred forty-nine billion, six hundred ninety-four million, four hundred ninety-six thousand, nine hundred forty-five".