19740546331 has 12 divisors (see below), whose sum is σ = 21711904200. Its totient is φ = 17934688640.

The previous prime is 19740546289. The next prime is 19740546347. The reversal of 19740546331 is 13364504791.

It is a de Polignac number, because none of the positive numbers 2^k-19740546331 is a prime.

It is a super-2 number, since 2×19740546331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19740546361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145515 + ... + 246283.

It is an arithmetic number, because the mean of its divisors is an integer number (1809325350).

Almost surely, 2^19740546331 is an apocalyptic number.

19740546331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19740546331 is a deficient number, since it is larger than the sum of its proper divisors (1971357869).

19740546331 is a wasteful number, since it uses less digits than its factorization.

19740546331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102410 (or 102399 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 19740546331 in words is "nineteen billion, seven hundred forty million, five hundred forty-six thousand, three hundred thirty-one".