4187621693408 has 48 divisors (see below), whose sum is σ = 8330913917424. Its totient is φ = 2071842017280.

The previous prime is 4187621693341. The next prime is 4187621693429. The reversal of 4187621693408 is 8043961267814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17046266 + ... + 17290182.

It is an arithmetic number, because the mean of its divisors is an integer number (173560706613).

Almost surely, 2^{4187621693408} is an apocalyptic number.

It is an amenable number.

4187621693408 is a deficient number, since it is larger than the sum of its proper divisors (4143292224016).

4187621693408 is a wasteful number, since it uses less digits than its factorization.

4187621693408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249555 (or 249547 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 4187621693408 in words is "four trillion, one hundred eighty-seven billion, six hundred twenty-one million, six hundred ninety-three thousand, four hundred eight".