1630432365 has 32 divisors (see below), whose sum is σ = 2639955456. Its totient is φ = 859192320.

The previous prime is 1630432319. The next prime is 1630432393. The reversal of 1630432365 is 5632340361.

It is not a de Polignac number, because 1630432365 - 2⁶ = 1630432301 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

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, 620755 + ... + 623375.

It is an arithmetic number, because the mean of its divisors is an integer number (82498608).

Almost surely, 2^1630432365 is an apocalyptic number.

1630432365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1630432365 is a deficient number, since it is larger than the sum of its proper divisors (1009523091).

1630432365 is a wasteful number, since it uses less digits than its factorization.

1630432365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 1630432365 is about 40378.6127176257. The cubic root of 1630432365 is about 1176.9759695978.

The spelling of 1630432365 in words is "one billion, six hundred thirty million, four hundred thirty-two thousand, three hundred sixty-five".