7993405149 has 64 divisors (see below), whose sum is σ = 11710955520. Its totient is φ = 4837916160.

The previous prime is 7993405139. The next prime is 7993405153. The reversal of 7993405149 is 9415043997.

It is not a de Polignac number, because 7993405149 - 2¹⁵ = 7993372381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993405109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13168404 + ... + 13169010.

It is an arithmetic number, because the mean of its divisors is an integer number (182983680).

Almost surely, 2^7993405149 is an apocalyptic number.

It is an amenable number.

7993405149 is a deficient number, since it is larger than the sum of its proper divisors (3717550371).

7993405149 is a wasteful number, since it uses less digits than its factorization.

7993405149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 7993405149 is about 89405.8451612645. The cubic root of 7993405149 is about 1999.4502780000.

The spelling of 7993405149 in words is "seven billion, nine hundred ninety-three million, four hundred five thousand, one hundred forty-nine".