6403742510 has 32 divisors (see below), whose sum is σ = 12665116800. Its totient is φ = 2311875360.

The previous prime is 6403742497. The next prime is 6403742537. The reversal of 6403742510 is 152473046.

It is a super-2 number, since 2×6403742510² = 82015836268762200200, which contains 22 as substring.

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, 194120 + ... + 224699.

It is an arithmetic number, because the mean of its divisors is an integer number (395784900).

Almost surely, 2^6403742510 is an apocalyptic number.

6403742510 is a deficient number, since it is larger than the sum of its proper divisors (6261374290).

6403742510 is a wasteful number, since it uses less digits than its factorization.

6403742510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418976.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 6403742510 is about 80023.3872689728. The cubic root of 6403742510 is about 1856.9973627720.

The spelling of 6403742510 in words is "six billion, four hundred three million, seven hundred forty-two thousand, five hundred ten".