29901962061 has 12 divisors (see below), whose sum is σ = 45069624288. Its totient is φ = 19067917704.

The previous prime is 29901962053. The next prime is 29901962093. The reversal of 29901962061 is 16026910992.

29901962061 is a `hidden beast` number, since 2 + 9 + 9 + 0 + 19 + 620 + 6 + 1 = 666.

It is not a de Polignac number, because 29901962061 - 2³ = 29901962053 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29901961998 and 29901962016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29901962021) 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, 72226755 + ... + 72227168.

It is an arithmetic number, because the mean of its divisors is an integer number (3755802024).

Almost surely, 2^29901962061 is an apocalyptic number.

It is an amenable number.

29901962061 is a deficient number, since it is larger than the sum of its proper divisors (15167662227).

29901962061 is a wasteful number, since it uses less digits than its factorization.

29901962061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144453952 (or 144453949 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 29901962061 in words is "twenty-nine billion, nine hundred one million, nine hundred sixty-two thousand, sixty-one".