1299563473 has 8 divisors (see below), whose sum is σ = 1399982528. Its totient is φ = 1199209104.

The previous prime is 1299563467. The next prime is 1299563477. The reversal of 1299563473 is 3743659921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1299563473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1299563477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30586 + ... + 59452.

It is an arithmetic number, because the mean of its divisors is an integer number (174997816).

Almost surely, 2^1299563473 is an apocalyptic number.

1299563473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1299563473 is a deficient number, since it is larger than the sum of its proper divisors (100419055).

1299563473 is a wasteful number, since it uses less digits than its factorization.

1299563473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32343.

The product of its digits is 1224720, while the sum is 49.

The square root of 1299563473 is about 36049.4587060610. The cubic root of 1299563473 is about 1091.2707097798.

The spelling of 1299563473 in words is "one billion, two hundred ninety-nine million, five hundred sixty-three thousand, four hundred seventy-three".