21337153006 has 32 divisors (see below), whose sum is σ = 35331918048. Its totient is φ = 9601320960.

The previous prime is 21337153001. The next prime is 21337153009. The reversal of 21337153006 is 60035173312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21337153001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1830910 + ... + 1842526.

It is an arithmetic number, because the mean of its divisors is an integer number (1104122439).

Almost surely, 2^21337153006 is an apocalyptic number.

21337153006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

21337153006 is a deficient number, since it is larger than the sum of its proper divisors (13994765042).

21337153006 is a wasteful number, since it uses less digits than its factorization.

21337153006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13396.

The product of its (nonzero) digits is 11340, while the sum is 31.

The spelling of 21337153006 in words is "twenty-one billion, three hundred thirty-seven million, one hundred fifty-three thousand, six".