3915815426054 has 8 divisors (see below), whose sum is σ = 6712826444688. Its totient is φ = 1678206611160.

The previous prime is 3915815426027. The next prime is 3915815426059. The reversal of 3915815426054 is 4506245185193.

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

It is a super-2 number, since 2×3915815426054² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3915815425987 and 3915815426005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915815426059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139850550917 + ... + 139850550944.

It is an arithmetic number, because the mean of its divisors is an integer number (839103305586).

Almost surely, 2^{3915815426054} is an apocalyptic number.

3915815426054 is a deficient number, since it is larger than the sum of its proper divisors (2797011018634).

3915815426054 is a wasteful number, since it uses less digits than its factorization.

3915815426054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279701101870.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 3915815426054 in words is "three trillion, nine hundred fifteen billion, eight hundred fifteen million, four hundred twenty-six thousand, fifty-four".