2061635454507 has 12 divisors (see below), whose sum is σ = 2873558682344. Its totient is φ = 1314666085920.

The previous prime is 2061635454479. The next prime is 2061635454563. The reversal of 2061635454507 is 7054545361602.

It is not a de Polignac number, because 2061635454507 - 2⁶ = 2061635454443 is a prime.

It is a super-2 number, since 2×2061635454507² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061635454577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649536994 + ... + 649540167.

Almost surely, 2^{2061635454507} is an apocalyptic number.

2061635454507 is a deficient number, since it is larger than the sum of its proper divisors (811923227837).

2061635454507 is a wasteful number, since it uses less digits than its factorization.

2061635454507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299077210 (or 1299077187 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 2061635454507 in words is "two trillion, sixty-one billion, six hundred thirty-five million, four hundred fifty-four thousand, five hundred seven".