19052857007 has 4 divisors (see below), whose sum is σ = 19053213216. Its totient is φ = 19052500800.

The previous prime is 19052856899. The next prime is 19052857009. The reversal of 19052857007 is 70075825091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70075825091 = 59 ⋅1187725849.

It is a cyclic number.

It is not a de Polignac number, because 19052857007 - 2¹⁴ = 19052840623 is a prime.

It is a super-2 number, since 2×19052857007² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19052857009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79778 + ... + 210879.

It is an arithmetic number, because the mean of its divisors is an integer number (4763303304).

Almost surely, 2^19052857007 is an apocalyptic number.

19052857007 is a deficient number, since it is larger than the sum of its proper divisors (356209).

19052857007 is an equidigital number, since it uses as much as digits as its factorization.

19052857007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356208.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 19052857007 in words is "nineteen billion, fifty-two million, eight hundred fifty-seven thousand, seven".