6993148407 has 32 divisors (see below), whose sum is σ = 11588032512. Its totient is φ = 3659364864.

The previous prime is 6993148403. The next prime is 6993148429. The reversal of 6993148407 is 7048413996.

It is not a de Polignac number, because 6993148407 - 2² = 6993148403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 6993148407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6993148403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251503 + ... + 277920.

It is an arithmetic number, because the mean of its divisors is an integer number (362126016).

Almost surely, 2^6993148407 is an apocalyptic number.

6993148407 is a deficient number, since it is larger than the sum of its proper divisors (4594884105).

6993148407 is a wasteful number, since it uses less digits than its factorization.

6993148407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529487.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 6993148407 is about 83625.0465291350. The cubic root of 6993148407 is about 1912.3068539877.

The spelling of 6993148407 in words is "six billion, nine hundred ninety-three million, one hundred forty-eight thousand, four hundred seven".