19740250023 has 16 divisors (see below), whose sum is σ = 28347623136. Its totient is φ = 12146711040.

The previous prime is 19740249973. The next prime is 19740250067. The reversal of 19740250023 is 32005204791.

It is not a de Polignac number, because 19740250023 - 2²¹ = 19738152871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19740250073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622611 + ... + 653547.

It is an arithmetic number, because the mean of its divisors is an integer number (1771726446).

Almost surely, 2^19740250023 is an apocalyptic number.

19740250023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

19740250023 is a deficient number, since it is larger than the sum of its proper divisors (8607373113).

19740250023 is a wasteful number, since it uses less digits than its factorization.

19740250023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47314.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 19740250023 in words is "nineteen billion, seven hundred forty million, two hundred fifty thousand, twenty-three".