19141543513402 has 4 divisors (see below), whose sum is σ = 28712315270106. Its totient is φ = 9570771756700.

The previous prime is 19141543513373. The next prime is 19141543513423. The reversal of 19141543513402 is 20431534514191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19140616250001 + 927263401 = 4374999^2 + 30451^2 .

It is a super-2 number, since 2×19141543513402² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4785385878349 + ... + 4785385878352.

Almost surely, 2^{19141543513402} is an apocalyptic number.

19141543513402 is a deficient number, since it is larger than the sum of its proper divisors (9570771756704).

19141543513402 is an equidigital number, since it uses as much as digits as its factorization.

19141543513402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9570771756703.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 19141543513402 in words is "nineteen trillion, one hundred forty-one billion, five hundred forty-three million, five hundred thirteen thousand, four hundred two".