381787698007 has 2 divisors, whose sum is σ = 381787698008. Its totient is φ = 381787698006.

The previous prime is 381787697933. The next prime is 381787698029. The reversal of 381787698007 is 700896787183.

It is a strong prime.

It is an emirp because it is prime and its reverse (700896787183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381787698007 - 2²³ = 381779309399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381787698007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381787698407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190893849003 + 190893849004.

It is an arithmetic number, because the mean of its divisors is an integer number (190893849004).

Almost surely, 2^381787698007 is an apocalyptic number.

381787698007 is a deficient number, since it is larger than the sum of its proper divisors (1).

381787698007 is an equidigital number, since it uses as much as digits as its factorization.

381787698007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28449792, while the sum is 64.

The spelling of 381787698007 in words is "three hundred eighty-one billion, seven hundred eighty-seven million, six hundred ninety-eight thousand, seven".