1021495462641 has 32 divisors (see below), whose sum is σ = 1523083040640. Its totient is φ = 676620648000.

The previous prime is 1021495462567. The next prime is 1021495462651. The reversal of 1021495462641 is 1462645941201.

1021495462641 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 49 + 546 + 2 + 64 + 1 = 666.

It is not a de Polignac number, because 1021495462641 - 2⁷ = 1021495462513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021495462651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2423491 + ... + 2813591.

It is an arithmetic number, because the mean of its divisors is an integer number (47596345020).

Almost surely, 2^{1021495462641} is an apocalyptic number.

It is an amenable number.

1021495462641 is a deficient number, since it is larger than the sum of its proper divisors (501587577999).

1021495462641 is a wasteful number, since it uses less digits than its factorization.

1021495462641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390734 (or 390728 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 1021495462641 in words is "one trillion, twenty-one billion, four hundred ninety-five million, four hundred sixty-two thousand, six hundred forty-one".