21762453034 has 32 divisors (see below), whose sum is σ = 38678860800. Its totient is φ = 8986446720.

The previous prime is 21762453019. The next prime is 21762453067. The reversal of 21762453034 is 43035426712.

It is a junction number, because it is equal to n+sod(n) for n = 21762452984 and 21762453002.

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, 10099 + ... + 208870.

It is an arithmetic number, because the mean of its divisors is an integer number (1208714400).

Almost surely, 2^21762453034 is an apocalyptic number.

21762453034 is a deficient number, since it is larger than the sum of its proper divisors (16916407766).

21762453034 is a wasteful number, since it uses less digits than its factorization.

21762453034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219238.

The product of its (nonzero) digits is 120960, while the sum is 37.

Adding to 21762453034 its reverse (43035426712), we get a palindrome (64797879746).

The spelling of 21762453034 in words is "twenty-one billion, seven hundred sixty-two million, four hundred fifty-three thousand, thirty-four".