1650963479 has 4 divisors (see below), whose sum is σ = 1801051080. Its totient is φ = 1500875880.

The previous prime is 1650963469. The next prime is 1650963481. The reversal of 1650963479 is 9743690561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1650963479 - 2⁴ = 1650963463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650963469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75043784 + ... + 75043805.

It is an arithmetic number, because the mean of its divisors is an integer number (450262770).

Almost surely, 2^1650963479 is an apocalyptic number.

1650963479 is a deficient number, since it is larger than the sum of its proper divisors (150087601).

1650963479 is a wasteful number, since it uses less digits than its factorization.

1650963479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150087600.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 1650963479 is about 40632.0498990637. The cubic root of 1650963479 is about 1181.8957077615.

The spelling of 1650963479 in words is "one billion, six hundred fifty million, nine hundred sixty-three thousand, four hundred seventy-nine".