19402672607 has 2 divisors, whose sum is σ = 19402672608. Its totient is φ = 19402672606.

The previous prime is 19402672589. The next prime is 19402672637. The reversal of 19402672607 is 70627620491.

It is a weak prime.

It is an emirp because it is prime and its reverse (70627620491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19402672607 - 2²⁶ = 19335563743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19402672637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9701336303 + 9701336304.

It is an arithmetic number, because the mean of its divisors is an integer number (9701336304).

Almost surely, 2^19402672607 is an apocalyptic number.

19402672607 is a deficient number, since it is larger than the sum of its proper divisors (1).

19402672607 is an equidigital number, since it uses as much as digits as its factorization.

19402672607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 19402672607 in words is "nineteen billion, four hundred two million, six hundred seventy-two thousand, six hundred seven".