30986091461 has 16 divisors (see below), whose sum is σ = 35276754240. Its totient is φ = 26980801920.

The previous prime is 30986091443. The next prime is 30986091467. The reversal of 30986091461 is 16419068903.

It is a cyclic number.

It is not a de Polignac number, because 30986091461 - 2⁶ = 30986091397 is a prime.

It is a super-2 number, since 2×30986091461² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30986091467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211655 + ... + 326756.

It is an arithmetic number, because the mean of its divisors is an integer number (2204797140).

Almost surely, 2^30986091461 is an apocalyptic number.

It is an amenable number.

30986091461 is a deficient number, since it is larger than the sum of its proper divisors (4290662779).

30986091461 is a wasteful number, since it uses less digits than its factorization.

30986091461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538676.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 30986091461 in words is "thirty billion, nine hundred eighty-six million, ninety-one thousand, four hundred sixty-one".