19106257242046 has 32 divisors (see below), whose sum is σ = 31499608371840. Its totient is φ = 8638127616096.

The previous prime is 19106257241987. The next prime is 19106257242047. The reversal of 19106257242046 is 64024275260191.

It is a super-2 number, since 2×19106257242046² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19106257242047) 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, 30325056 + ... + 30948691.

It is an arithmetic number, because the mean of its divisors is an integer number (984362761620).

Almost surely, 2^{19106257242046} is an apocalyptic number.

19106257242046 is a deficient number, since it is larger than the sum of its proper divisors (12393351129794).

19106257242046 is a wasteful number, since it uses less digits than its factorization.

19106257242046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61274008.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 19106257242046 in words is "nineteen trillion, one hundred six billion, two hundred fifty-seven million, two hundred forty-two thousand, forty-six".