2720946237447 has 16 divisors (see below), whose sum is σ = 3629101916160. Its totient is φ = 1813377480000.

The previous prime is 2720946237407. The next prime is 2720946237461. The reversal of 2720946237447 is 7447326490272.

It is not a de Polignac number, because 2720946237447 - 2¹⁰ = 2720946236423 is a prime.

It is a super-2 number, since 2×2720946237447² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720946237407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190923072 + ... + 190937322.

It is an arithmetic number, because the mean of its divisors is an integer number (226818869760).

Almost surely, 2^{2720946237447} is an apocalyptic number.

2720946237447 is a deficient number, since it is larger than the sum of its proper divisors (908155678713).

2720946237447 is a wasteful number, since it uses less digits than its factorization.

2720946237447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30374.

The product of its (nonzero) digits is 28449792, while the sum is 57.

The spelling of 2720946237447 in words is "two trillion, seven hundred twenty billion, nine hundred forty-six million, two hundred thirty-seven thousand, four hundred forty-seven".