29866893401 has 16 divisors (see below), whose sum is σ = 30253338000. Its totient is φ = 29483532288.

The previous prime is 29866893367. The next prime is 29866893439. The reversal of 29866893401 is 10439866892.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1857523801 + 28009369600 = 43099^2 + 167360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29866893401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29866893451) 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, 29599985 + ... + 29600993.

It is an arithmetic number, because the mean of its divisors is an integer number (1890833625).

Almost surely, 2^29866893401 is an apocalyptic number.

It is an amenable number.

29866893401 is a deficient number, since it is larger than the sum of its proper divisors (386444599).

29866893401 is a wasteful number, since it uses less digits than its factorization.

29866893401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 29866893401 in words is "twenty-nine billion, eight hundred sixty-six million, eight hundred ninety-three thousand, four hundred one".