42769499815 has 12 divisors (see below), whose sum is σ = 59702730696. Its totient is φ = 29327656848.

The previous prime is 42769499809. The next prime is 42769499821. The reversal of 42769499815 is 51899496724.

It is an interprime number because it is at equal distance from previous prime (42769499809) and next prime (42769499821).

It is not a de Polignac number, because 42769499815 - 2⁵ = 42769499783 is a prime.

It is a super-2 number, since 2×42769499815² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87284449 + ... + 87284938.

It is an arithmetic number, because the mean of its divisors is an integer number (4975227558).

Almost surely, 2^42769499815 is an apocalyptic number.

42769499815 is a deficient number, since it is larger than the sum of its proper divisors (16933230881).

42769499815 is a wasteful number, since it uses less digits than its factorization.

42769499815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174569406 (or 174569399 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 64.

The spelling of 42769499815 in words is "forty-two billion, seven hundred sixty-nine million, four hundred ninety-nine thousand, eight hundred fifteen".