6988015942 has 32 divisors (see below), whose sum is σ = 10771200000. Its totient is φ = 3399286176.

The previous prime is 6988015891. The next prime is 6988015967. The reversal of 6988015942 is 2495108896.

It is a super-2 number, since 2×6988015942² = 97664733611292294728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6988015942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3426159 + ... + 3428197.

It is an arithmetic number, because the mean of its divisors is an integer number (336600000).

Almost surely, 2^6988015942 is an apocalyptic number.

6988015942 is a deficient number, since it is larger than the sum of its proper divisors (3783184058).

6988015942 is a wasteful number, since it uses less digits than its factorization.

6988015942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The square root of 6988015942 is about 83594.3535294101. The cubic root of 6988015942 is about 1911.8389078622.

The spelling of 6988015942 in words is "six billion, nine hundred eighty-eight million, fifteen thousand, nine hundred forty-two".