36428347865 has 32 divisors (see below), whose sum is σ = 53883707136. Its totient is φ = 23022869760.

The previous prime is 36428347859. The next prime is 36428347871. The reversal of 36428347865 is 56874382463.

It is an interprime number because it is at equal distance from previous prime (36428347859) and next prime (36428347871).

It is not a de Polignac number, because 36428347865 - 2¹⁴ = 36428331481 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36428347865.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240194 + ... + 361316.

It is an arithmetic number, because the mean of its divisors is an integer number (1683865848).

Almost surely, 2^36428347865 is an apocalyptic number.

36428347865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36428347865 is a deficient number, since it is larger than the sum of its proper divisors (17455359271).

36428347865 is a wasteful number, since it uses less digits than its factorization.

36428347865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121809.

The product of its digits is 23224320, while the sum is 56.

The spelling of 36428347865 in words is "thirty-six billion, four hundred twenty-eight million, three hundred forty-seven thousand, eight hundred sixty-five".