1652901389 has 2 divisors, whose sum is σ = 1652901390. Its totient is φ = 1652901388.

The previous prime is 1652901379. The next prime is 1652901401. The reversal of 1652901389 is 9831092561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1439595364 + 213306025 = 37942^2 + 14605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1652901389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1652901329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826450694 + 826450695.

It is an arithmetic number, because the mean of its divisors is an integer number (826450695).

Almost surely, 2^1652901389 is an apocalyptic number.

It is an amenable number.

1652901389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652901389 is an equidigital number, since it uses as much as digits as its factorization.

1652901389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1652901389 is about 40655.8899668916. The cubic root of 1652901389 is about 1182.3579654996.

The spelling of 1652901389 in words is "one billion, six hundred fifty-two million, nine hundred one thousand, three hundred eighty-nine".