3746565021628 has 48 divisors (see below), whose sum is σ = 7708696087680. Its totient is φ = 1570767364800.

The previous prime is 3746565021571. The next prime is 3746565021649. The reversal of 3746565021628 is 8261205656473.

It is a super-2 number, since 2×3746565021628² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1798318 + ... + 3275221.

It is an arithmetic number, because the mean of its divisors is an integer number (160597835160).

Almost surely, 2^{3746565021628} is an apocalyptic number.

It is an amenable number.

3746565021628 is an abundant number, since it is smaller than the sum of its proper divisors (3962131066052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3746565021628 is a wasteful number, since it uses less digits than its factorization.

3746565021628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074858 (or 5074856 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 3746565021628 in words is "three trillion, seven hundred forty-six billion, five hundred sixty-five million, twenty-one thousand, six hundred twenty-eight".