1649255495 has 8 divisors (see below), whose sum is σ = 1985087760. Its totient is φ = 1315416960.

The previous prime is 1649255483. The next prime is 1649255519. The reversal of 1649255495 is 5945529461.

It is a happy number.

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

It is not a de Polignac number, because 1649255495 - 2¹² = 1649251399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496610 + ... + 499919.

It is an arithmetic number, because the mean of its divisors is an integer number (248135970).

Almost surely, 2^1649255495 is an apocalyptic number.

1649255495 is a deficient number, since it is larger than the sum of its proper divisors (335832265).

1649255495 is an equidigital number, since it uses as much as digits as its factorization.

1649255495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996865.

The product of its digits is 1944000, while the sum is 50.

The square root of 1649255495 is about 40611.0267661383. The cubic root of 1649255495 is about 1181.4879952327.

The spelling of 1649255495 in words is "one billion, six hundred forty-nine million, two hundred fifty-five thousand, four hundred ninety-five".