1912954423190 has 16 divisors (see below), whose sum is σ = 3443449166640. Its totient is φ = 765152612640.

The previous prime is 1912954423187. The next prime is 1912954423253. The reversal of 1912954423190 is 913244592191.

It is a happy number.

It is a super-2 number, since 2×1912954423190² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368021 + ... + 3894800.

It is an arithmetic number, because the mean of its divisors is an integer number (215215572915).

Almost surely, 2^{1912954423190} is an apocalyptic number.

1912954423190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1912954423190 is a deficient number, since it is larger than the sum of its proper divisors (1530494743450).

1912954423190 is a wasteful number, since it uses less digits than its factorization.

1912954423190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289167.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 1912954423190 in words is "one trillion, nine hundred twelve billion, nine hundred fifty-four million, four hundred twenty-three thousand, one hundred ninety".