6361814989 has 16 divisors (see below), whose sum is σ = 6511011840. Its totient is φ = 6214253760.

The previous prime is 6361814971. The next prime is 6361815001. The reversal of 6361814989 is 9894181636.

It is a cyclic number.

It is not a de Polignac number, because 6361814989 - 2²³ = 6353426381 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6361814929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7405642 + ... + 7406500.

It is an arithmetic number, because the mean of its divisors is an integer number (406938240).

Almost surely, 2^6361814989 is an apocalyptic number.

It is an amenable number.

6361814989 is a deficient number, since it is larger than the sum of its proper divisors (149196851).

6361814989 is a wasteful number, since it uses less digits than its factorization.

6361814989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620.

The product of its digits is 2239488, while the sum is 55.

The square root of 6361814989 is about 79760.9866350712. The cubic root of 6361814989 is about 1852.9356837082.

The spelling of 6361814989 in words is "six billion, three hundred sixty-one million, eight hundred fourteen thousand, nine hundred eighty-nine".