19757140441 has 16 divisors (see below), whose sum is σ = 20577604608. Its totient is φ = 18948888000.

The previous prime is 19757140397. The next prime is 19757140451. The reversal of 19757140441 is 14404175791.

It is a cyclic number.

It is not a de Polignac number, because 19757140441 - 2¹⁵ = 19757107673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19757140451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599991 + ... + 1612291.

It is an arithmetic number, because the mean of its divisors is an integer number (1286100288).

Almost surely, 2^19757140441 is an apocalyptic number.

It is an amenable number.

19757140441 is a deficient number, since it is larger than the sum of its proper divisors (820464167).

19757140441 is a wasteful number, since it uses less digits than its factorization.

19757140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 19757140441 in words is "nineteen billion, seven hundred fifty-seven million, one hundred forty thousand, four hundred forty-one".