1500652649 has 2 divisors, whose sum is σ = 1500652650. Its totient is φ = 1500652648.

The previous prime is 1500652631. The next prime is 1500652651. The reversal of 1500652649 is 9462560051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1433985424 + 66667225 = 37868^2 + 8165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1500652649 is a prime.

Together with 1500652651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1500652609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750326324 + 750326325.

It is an arithmetic number, because the mean of its divisors is an integer number (750326325).

Almost surely, 2^1500652649 is an apocalyptic number.

It is an amenable number.

1500652649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500652649 is an equidigital number, since it uses as much as digits as its factorization.

1500652649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1500652649 is about 38738.2582081332. The cubic root of 1500652649 is about 1144.8802399485.

The spelling of 1500652649 in words is "one billion, five hundred million, six hundred fifty-two thousand, six hundred forty-nine".