29131400051 has 4 divisors (see below), whose sum is σ = 31372276992. Its totient is φ = 26890523112.

The previous prime is 29131400047. The next prime is 29131400071. The reversal of 29131400051 is 15000413192.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29131400051 - 2² = 29131400047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29131400071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120438451 + ... + 1120438476.

It is an arithmetic number, because the mean of its divisors is an integer number (7843069248).

Almost surely, 2^29131400051 is an apocalyptic number.

29131400051 is a deficient number, since it is larger than the sum of its proper divisors (2240876941).

29131400051 is a wasteful number, since it uses less digits than its factorization.

29131400051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240876940.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 29131400051 in words is "twenty-nine billion, one hundred thirty-one million, four hundred thousand, fifty-one".