7919047142 has 8 divisors (see below), whose sum is σ = 12079902600. Its totient is φ = 3892412944.

The previous prime is 7919047133. The next prime is 7919047163. The reversal of 7919047142 is 2417409197.

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

It is a super-2 number, since 2×7919047142² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7919047093 and 7919047102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33555167 + ... + 33555402.

It is an arithmetic number, because the mean of its divisors is an integer number (1509987825).

Almost surely, 2^7919047142 is an apocalyptic number.

7919047142 is a deficient number, since it is larger than the sum of its proper divisors (4160855458).

7919047142 is a wasteful number, since it uses less digits than its factorization.

7919047142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67110630.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 7919047142 is about 88989.0282113475. The cubic root of 7919047142 is about 1993.2310449693.

The spelling of 7919047142 in words is "seven billion, nine hundred nineteen million, forty-seven thousand, one hundred forty-two".