19740760194 has 16 divisors (see below), whose sum is σ = 39488094432. Its totient is φ = 6579157728.

The previous prime is 19740760177. The next prime is 19740760211. The reversal of 19740760194 is 49106704791.

It is an interprime number because it is at equal distance from previous prime (19740760177) and next prime (19740760211).

It is a super-2 number, since 2×19740760194² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234444 + ... + 307319.

It is an arithmetic number, because the mean of its divisors is an integer number (2468005902).

Almost surely, 2^19740760194 is an apocalyptic number.

19740760194 is an abundant number, since it is smaller than the sum of its proper divisors (19747334238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19740760194 is a wasteful number, since it uses less digits than its factorization.

19740760194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547841.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 19740760194 in words is "nineteen billion, seven hundred forty million, seven hundred sixty thousand, one hundred ninety-four".