19012141970 has 16 divisors (see below), whose sum is σ = 34313609880. Its totient is φ = 7584466944.

The previous prime is 19012141963. The next prime is 19012141979. The reversal of 19012141970 is 7914121091.

It can be written as a sum of positive squares in 4 ways, for example, as 11409871489 + 7602270481 = 106817^2 + 87191^2 .

It is a super-2 number, since 2×19012141970² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19012141970.

It is not an unprimeable number, because it can be changed into a prime (19012141979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2544815 + ... + 2552274.

Almost surely, 2^19012141970 is an apocalyptic number.

19012141970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19012141970 is a deficient number, since it is larger than the sum of its proper divisors (15301467910).

19012141970 is a wasteful number, since it uses less digits than its factorization.

19012141970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097469.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 19012141970 in words is "nineteen billion, twelve million, one hundred forty-one thousand, nine hundred seventy".