29422494987 has 8 divisors (see below), whose sum is σ = 39237471120. Its totient is φ = 19611257760.

The previous prime is 29422494961. The next prime is 29422494991. The reversal of 29422494987 is 78949422492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29422494987 - 2³⁰ = 28348753163 is a prime.

It is a super-2 number, since 2×29422494987² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29422494987.

It is not an unprimeable number, because it can be changed into a prime (29422494947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916312 + ... + 947877.

It is an arithmetic number, because the mean of its divisors is an integer number (4904683890).

Almost surely, 2^29422494987 is an apocalyptic number.

29422494987 is a deficient number, since it is larger than the sum of its proper divisors (9814976133).

29422494987 is a wasteful number, since it uses less digits than its factorization.

29422494987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869453.

The product of its digits is 20901888, while the sum is 60.

The spelling of 29422494987 in words is "twenty-nine billion, four hundred twenty-two million, four hundred ninety-four thousand, nine hundred eighty-seven".