1465020749 has 2 divisors, whose sum is σ = 1465020750. Its totient is φ = 1465020748.

The previous prime is 1465020743. The next prime is 1465020769. The reversal of 1465020749 is 9470205641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1457865124 + 7155625 = 38182^2 + 2675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1465020749 - 2¹² = 1465016653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1465020743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732510374 + 732510375.

It is an arithmetic number, because the mean of its divisors is an integer number (732510375).

Almost surely, 2^1465020749 is an apocalyptic number.

It is an amenable number.

1465020749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1465020749 is an equidigital number, since it uses as much as digits as its factorization.

1465020749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1465020749 is about 38275.5894663949. The cubic root of 1465020749 is about 1135.7461114018.

The spelling of 1465020749 in words is "one billion, four hundred sixty-five million, twenty thousand, seven hundred forty-nine".