2674978642 has 8 divisors (see below), whose sum is σ = 4585677696. Its totient is φ = 1146419412.

The previous prime is 2674978613. The next prime is 2674978643. The reversal of 2674978642 is 2468794762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2674978642³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2674978643) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 95534938 + ... + 95534965.

It is an arithmetic number, because the mean of its divisors is an integer number (573209712).

Almost surely, 2^2674978642 is an apocalyptic number.

2674978642 is a deficient number, since it is larger than the sum of its proper divisors (1910699054).

2674978642 is a wasteful number, since it uses less digits than its factorization.

2674978642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191069912.

The product of its digits is 8128512, while the sum is 55.

The square root of 2674978642 is about 51720.1956879515. The cubic root of 2674978642 is about 1388.1618547533.

The spelling of 2674978642 in words is "two billion, six hundred seventy-four million, nine hundred seventy-eight thousand, six hundred forty-two".