2151531450734 has 16 divisors (see below), whose sum is σ = 3247382029920. Its totient is φ = 1069088142240.

The previous prime is 2151531450721. The next prime is 2151531450751. The reversal of 2151531450734 is 4370541351512.

It is a junction number, because it is equal to n+sod(n) for n = 2151531450691 and 2151531450700.

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, 4093874 + ... + 4589429.

It is an arithmetic number, because the mean of its divisors is an integer number (202961376870).

Almost surely, 2^{2151531450734} is an apocalyptic number.

2151531450734 is a deficient number, since it is larger than the sum of its proper divisors (1095850579186).

2151531450734 is a wasteful number, since it uses less digits than its factorization.

2151531450734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684075.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 2151531450734 in words is "two trillion, one hundred fifty-one billion, five hundred thirty-one million, four hundred fifty thousand, seven hundred thirty-four".