7099515994 has 4 divisors (see below), whose sum is σ = 10649273994. Its totient is φ = 3549757996.

The previous prime is 7099515991. The next prime is 7099516033. The reversal of 7099515994 is 4995159907.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4995159907 = 19 ⋅262903153.

It can be written as a sum of positive squares in only one way, i.e., 7045419969 + 54096025 = 83937^2 + 7355^2 .

It is not an unprimeable number, because it can be changed into a prime (7099515991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774878997 + ... + 1774879000.

Almost surely, 2^7099515994 is an apocalyptic number.

7099515994 is a deficient number, since it is larger than the sum of its proper divisors (3549758000).

7099515994 is a wasteful number, since it uses less digits than its factorization.

7099515994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549757999.

The product of its (nonzero) digits is 4592700, while the sum is 58.

The square root of 7099515994 is about 84258.6256355989. The cubic root of 7099515994 is about 1921.9536676862.

The spelling of 7099515994 in words is "seven billion, ninety-nine million, five hundred fifteen thousand, nine hundred ninety-four".