1538263780007 has 8 divisors (see below), whose sum is σ = 1545204133200. Its totient is φ = 1531325366784.

The previous prime is 1538263779991. The next prime is 1538263780049. The reversal of 1538263780007 is 7000873628351.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1538263780007 - 2⁴ = 1538263779991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538263780607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116344 + ... + 2079122.

It is an arithmetic number, because the mean of its divisors is an integer number (193150516650).

Almost surely, 2^{1538263780007} is an apocalyptic number.

1538263780007 is a deficient number, since it is larger than the sum of its proper divisors (6940353193).

1538263780007 is an equidigital number, since it uses as much as digits as its factorization.

1538263780007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969985.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 1538263780007 in words is "one trillion, five hundred thirty-eight billion, two hundred sixty-three million, seven hundred eighty thousand, seven".