7640293069 has 16 divisors (see below), whose sum is σ = 8020726272. Its totient is φ = 7271450368.

The previous prime is 7640293039. The next prime is 7640293097. The reversal of 7640293069 is 9603920467.

It is a cyclic number.

It is not a de Polignac number, because 7640293069 - 2⁹ = 7640292557 is a prime.

It is a super-2 number, since 2×7640293069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7640293039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267912 + ... + 295054.

It is an arithmetic number, because the mean of its divisors is an integer number (501295392).

Almost surely, 2^7640293069 is an apocalyptic number.

It is an amenable number.

7640293069 is a deficient number, since it is larger than the sum of its proper divisors (380433203).

7640293069 is a wasteful number, since it uses less digits than its factorization.

7640293069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27356.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 7640293069 is about 87408.7699776172. The cubic root of 7640293069 is about 1969.5635843466.

The spelling of 7640293069 in words is "seven billion, six hundred forty million, two hundred ninety-three thousand, sixty-nine".