1652861973 has 24 divisors (see below), whose sum is σ = 2569218912. Its totient is φ = 942430944.

The previous prime is 1652861953. The next prime is 1652862007. The reversal of 1652861973 is 3791682561.

It is not a de Polignac number, because 1652861973 - 2⁹ = 1652861461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652861923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56611 + ... + 80687.

It is an arithmetic number, because the mean of its divisors is an integer number (107050788).

Almost surely, 2^1652861973 is an apocalyptic number.

It is an amenable number.

1652861973 is a deficient number, since it is larger than the sum of its proper divisors (916356939).

1652861973 is a wasteful number, since it uses less digits than its factorization.

1652861973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24561 (or 24554 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 1652861973 is about 40655.4052125914. The cubic root of 1652861973 is about 1182.3485670378.

The spelling of 1652861973 in words is "one billion, six hundred fifty-two million, eight hundred sixty-one thousand, nine hundred seventy-three".