47451093890 has 16 divisors (see below), whose sum is σ = 85889134080. Its totient is φ = 18874400880.

The previous prime is 47451093881. The next prime is 47451093901. The reversal of 47451093890 is 9839015474.

It is a super-2 number, since 2×47451093890² (a number of 22 digits) contains 22 as substring.

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, 13252706 + ... + 13256285.

It is an arithmetic number, because the mean of its divisors is an integer number (5368070880).

Almost surely, 2^47451093890 is an apocalyptic number.

47451093890 is a deficient number, since it is larger than the sum of its proper divisors (38438040190).

47451093890 is a wasteful number, since it uses less digits than its factorization.

47451093890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26509177.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 47451093890 in words is "forty-seven billion, four hundred fifty-one million, ninety-three thousand, eight hundred ninety".