5615071994 has 12 divisors (see below), whose sum is σ = 9797727834. Its totient is φ = 2406459384.

The previous prime is 5615071981. The next prime is 5615071997. The reversal of 5615071994 is 4991705165.

It can be written as a sum of positive squares in only one way, i.e., 3355305625 + 2259766369 = 57925^2 + 47537^2 .

It is not an unprimeable number, because it can be changed into a prime (5615071997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28648229 + ... + 28648424.

Almost surely, 2^5615071994 is an apocalyptic number.

5615071994 is a deficient number, since it is larger than the sum of its proper divisors (4182655840).

5615071994 is a wasteful number, since it uses less digits than its factorization.

5615071994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57296669 (or 57296662 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 5615071994 is about 74933.7840629979. The cubic root of 5615071994 is about 1777.3997291651.

The spelling of 5615071994 in words is "five billion, six hundred fifteen million, seventy-one thousand, nine hundred ninety-four".