1465147979 has 4 divisors (see below), whose sum is σ = 1465246920. Its totient is φ = 1465049040.

The previous prime is 1465147961. The next prime is 1465148023. The reversal of 1465147979 is 9797415641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9797415641 = 13 ⋅753647357.

It is a cyclic number.

It is not a de Polignac number, because 1465147979 - 2²⁸ = 1196712523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1465147979.

It is not an unprimeable number, because it can be changed into a prime (1465147939) 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, 22274 + ... + 58535.

It is an arithmetic number, because the mean of its divisors is an integer number (366311730).

Almost surely, 2^1465147979 is an apocalyptic number.

1465147979 is a deficient number, since it is larger than the sum of its proper divisors (98941).

1465147979 is an equidigital number, since it uses as much as digits as its factorization.

1465147979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98940.

The product of its digits is 1905120, while the sum is 53.

The square root of 1465147979 is about 38277.2514556623. The cubic root of 1465147979 is about 1135.7789884776.

The spelling of 1465147979 in words is "one billion, four hundred sixty-five million, one hundred forty-seven thousand, nine hundred seventy-nine".