29890135462 has 32 divisors (see below), whose sum is σ = 49551554304. Its totient is φ = 13408869600.

The previous prime is 29890135423. The next prime is 29890135477. The reversal of 29890135462 is 26453109892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1874668 + ... + 1890544.

It is an arithmetic number, because the mean of its divisors is an integer number (1548486072).

Almost surely, 2^29890135462 is an apocalyptic number.

29890135462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

29890135462 is a deficient number, since it is larger than the sum of its proper divisors (19661418842).

29890135462 is a wasteful number, since it uses less digits than its factorization.

29890135462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17004.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 29890135462 in words is "twenty-nine billion, eight hundred ninety million, one hundred thirty-five thousand, four hundred sixty-two".