2485409638 has 8 divisors (see below), whose sum is σ = 3731024088. Its totient is φ = 1241734944.

The previous prime is 2485409617. The next prime is 2485409659. The reversal of 2485409638 is 8369045842.

It is an interprime number because it is at equal distance from previous prime (2485409617) and next prime (2485409659).

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

It is a super-2 number, since 2×2485409638² = 12354522137326582088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2485409591 and 2485409600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481731 + ... + 486862.

It is an arithmetic number, because the mean of its divisors is an integer number (466378011).

Almost surely, 2^2485409638 is an apocalyptic number.

2485409638 is a deficient number, since it is larger than the sum of its proper divisors (1245614450).

2485409638 is a wasteful number, since it uses less digits than its factorization.

2485409638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969878.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The square root of 2485409638 is about 49853.8828778662. The cubic root of 2485409638 is about 1354.5633661660.

The spelling of 2485409638 in words is "two billion, four hundred eighty-five million, four hundred nine thousand, six hundred thirty-eight".