29490461125 has 8 divisors (see below), whose sum is σ = 36804095640. Its totient is φ = 23592368800.

The previous prime is 29490461083. The next prime is 29490461129. The reversal of 29490461125 is 52116409492.

It can be written as a sum of positive squares in 4 ways, for example, as 8157521761 + 21332939364 = 90319^2 + 146058^2 .

It is not a de Polignac number, because 29490461125 - 2⁹ = 29490460613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29490461129) 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, 117961720 + ... + 117961969.

It is an arithmetic number, because the mean of its divisors is an integer number (4600511955).

Almost surely, 2^29490461125 is an apocalyptic number.

29490461125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29490461125 is a deficient number, since it is larger than the sum of its proper divisors (7313634515).

29490461125 is an equidigital number, since it uses as much as digits as its factorization.

29490461125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235923704 (or 235923694 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 29490461125 in words is "twenty-nine billion, four hundred ninety million, four hundred sixty-one thousand, one hundred twenty-five".