19375248061 has 32 divisors (see below), whose sum is σ = 21841208928. Its totient is φ = 17069875200.

The previous prime is 19375248059. The next prime is 19375248071. The reversal of 19375248061 is 16084257391.

It can be written as a sum of positive squares in 16 ways, for example, as 36 + 19375248025 = 6^2 + 139195^2 .

It is a 7-Lehmer number, since φ(19375248061) divides (19375248061-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 19375248061 - 2¹ = 19375248059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19375248071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6915861 + ... + 6918661.

It is an arithmetic number, because the mean of its divisors is an integer number (682537779).

It is a 2-persistent number, because it is pandigital, and so is 2⋅19375248061 = 38750496122, but 3⋅19375248061 = 58125744183 is not.

Almost surely, 2^19375248061 is an apocalyptic number.

It is an amenable number.

19375248061 is a deficient number, since it is larger than the sum of its proper divisors (2465960867).

19375248061 is a wasteful number, since it uses less digits than its factorization.

19375248061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 19375248061 in words is "nineteen billion, three hundred seventy-five million, two hundred forty-eight thousand, sixty-one".