29491019492 has 96 divisors (see below), whose sum is σ = 58315178880. Its totient is φ = 12936320000.

The previous prime is 29491019491. The next prime is 29491019507.

29491019492 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 29491019492.

It is not an unprimeable number, because it can be changed into a prime (29491019491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35920442 + ... + 35921262.

It is an arithmetic number, because the mean of its divisors is an integer number (607449780).

Almost surely, 2^29491019492 is an apocalyptic number.

29491019492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29491019492 is a deficient number, since it is larger than the sum of its proper divisors (28824159388).

29491019492 is a wasteful number, since it uses less digits than its factorization.

29491019492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 29491019492 in words is "twenty-nine billion, four hundred ninety-one million, nineteen thousand, four hundred ninety-two".