1651513983 has 12 divisors (see below), whose sum is σ = 2561532120. Its totient is φ = 943722192.

The previous prime is 1651513979. The next prime is 1651513999. The reversal of 1651513983 is 3893151561.

1651513983 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1651513983 - 2² = 1651513979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651513483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5617248 + ... + 5617541.

It is an arithmetic number, because the mean of its divisors is an integer number (213461010).

Almost surely, 2^1651513983 is an apocalyptic number.

1651513983 is a deficient number, since it is larger than the sum of its proper divisors (910018137).

1651513983 is a wasteful number, since it uses less digits than its factorization.

1651513983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11234806 (or 11234799 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 1651513983 is about 40638.8235927173. The cubic root of 1651513983 is about 1182.0270585392.

The spelling of 1651513983 in words is "one billion, six hundred fifty-one million, five hundred thirteen thousand, nine hundred eighty-three".