10651416040621 has 2 divisors, whose sum is σ = 10651416040622. Its totient is φ = 10651416040620.

The previous prime is 10651416040561. The next prime is 10651416040633. The reversal of 10651416040621 is 12604061415601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8417628729225 + 2233787311396 = 2901315^2 + 1494586^2 .

It is a cyclic number.

It is not a de Polignac number, because 10651416040621 - 2¹⁵ = 10651416007853 is a prime.

It is a super-2 number, since 2×10651416040621² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10651416040691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5325708020310 + 5325708020311.

It is an arithmetic number, because the mean of its divisors is an integer number (5325708020311).

Almost surely, 2^{10651416040621} is an apocalyptic number.

It is an amenable number.

10651416040621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10651416040621 is an equidigital number, since it uses as much as digits as its factorization.

10651416040621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 10651416040621 in words is "ten trillion, six hundred fifty-one billion, four hundred sixteen million, forty thousand, six hundred twenty-one".