21434753702 has 12 divisors (see below), whose sum is σ = 33299058156. Its totient is φ = 10347811320.

The previous prime is 21434753693. The next prime is 21434753719. The reversal of 21434753702 is 20735743412.

It is a super-3 number, since 3×21434753702³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6370124 + ... + 6373487.

It is an arithmetic number, because the mean of its divisors is an integer number (2774921513).

Almost surely, 2^21434753702 is an apocalyptic number.

21434753702 is a deficient number, since it is larger than the sum of its proper divisors (11864304454).

21434753702 is a wasteful number, since it uses less digits than its factorization.

21434753702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743671 (or 12743642 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 21434753702 in words is "twenty-one billion, four hundred thirty-four million, seven hundred fifty-three thousand, seven hundred two".