2179380969550 has 24 divisors (see below), whose sum is σ = 4056489414936. Its totient is φ = 871141460640.

The previous prime is 2179380969547. The next prime is 2179380969553. The reversal of 2179380969550 is 559690839712.

It is an interprime number because it is at equal distance from previous prime (2179380969547) and next prime (2179380969553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179380969553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15201117 + ... + 15343816.

It is an arithmetic number, because the mean of its divisors is an integer number (169020392289).

Almost surely, 2^{2179380969550} is an apocalyptic number.

2179380969550 is a deficient number, since it is larger than the sum of its proper divisors (1877108445386).

2179380969550 is a wasteful number, since it uses less digits than its factorization.

2179380969550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30546372 (or 30546367 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 64.

The spelling of 2179380969550 in words is "two trillion, one hundred seventy-nine billion, three hundred eighty million, nine hundred sixty-nine thousand, five hundred fifty".