1010647621 has 2 divisors, whose sum is σ = 1010647622. Its totient is φ = 1010647620.

The previous prime is 1010647609. The next prime is 1010647633. The reversal of 1010647621 is 1267460101.

It is a balanced prime because it is at equal distance from previous prime (1010647609) and next prime (1010647633).

It can be written as a sum of positive squares in only one way, i.e., 671535396 + 339112225 = 25914^2 + 18415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010647621 - 2¹⁹ = 1010123333 is a prime.

It is a super-2 number, since 2×1010647621² = 2042817227665919282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1010647621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010647921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505323810 + 505323811.

It is an arithmetic number, because the mean of its divisors is an integer number (505323811).

Almost surely, 2^1010647621 is an apocalyptic number.

It is an amenable number.

1010647621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010647621 is an equidigital number, since it uses as much as digits as its factorization.

1010647621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1010647621 is about 31790.6845003375. The cubic root of 1010647621 is about 1003.5366841197.

The spelling of 1010647621 in words is "one billion, ten million, six hundred forty-seven thousand, six hundred twenty-one".