9690128494 has 8 divisors (see below), whose sum is σ = 14781552120. Its totient is φ = 4762944456.

The previous prime is 9690128479. The next prime is 9690128549. The reversal of 9690128494 is 4948210969.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×9690128494³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41059749 + ... + 41059984.

It is an arithmetic number, because the mean of its divisors is an integer number (1847694015).

Almost surely, 2^9690128494 is an apocalyptic number.

9690128494 is a deficient number, since it is larger than the sum of its proper divisors (5091423626).

9690128494 is a wasteful number, since it uses less digits than its factorization.

9690128494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82119794.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 9690128494 is about 98438.4502823973. The cubic root of 9690128494 is about 2131.9475302628.

The spelling of 9690128494 in words is "nine billion, six hundred ninety million, one hundred twenty-eight thousand, four hundred ninety-four".