2469979147 has 4 divisors (see below), whose sum is σ = 2615272056. Its totient is φ = 2324686240.

The previous prime is 2469979133. The next prime is 2469979151. The reversal of 2469979147 is 7419799642.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7419799642 = 2 ⋅3709899821.

It is a cyclic number.

It is not a de Polignac number, because 2469979147 - 2³¹ = 322495499 is a prime.

It is a super-2 number, since 2×2469979147² = 12201593973229695218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2469979091 and 2469979100.

It is not an unprimeable number, because it can be changed into a prime (2469979847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72646429 + ... + 72646462.

It is an arithmetic number, because the mean of its divisors is an integer number (653818014).

Almost surely, 2^2469979147 is an apocalyptic number.

2469979147 is a deficient number, since it is larger than the sum of its proper divisors (145292909).

2469979147 is a wasteful number, since it uses less digits than its factorization.

2469979147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145292908.

The product of its digits is 6858432, while the sum is 58.

The square root of 2469979147 is about 49698.8847661595. The cubic root of 2469979147 is about 1351.7543076981.

The spelling of 2469979147 in words is "two billion, four hundred sixty-nine million, nine hundred seventy-nine thousand, one hundred forty-seven".