247774562020045 has 8 divisors (see below), whose sum is σ = 297540496060920. Its totient is φ = 198078968524800.

The previous prime is 247774562020039. The next prime is 247774562020057. The reversal of 247774562020045 is 540020265477742.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 393945777801 + 247380616242244 = 627651^2 + 15728338^2 .

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

It is not a de Polignac number, because 247774562020045 - 2⁷ = 247774562019917 is a prime.

It is a super-2 number, since 2×247774562020045² (a number of 30 digits) contains 22 as substring.

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, 17585128656 + ... + 17585142745.

It is an arithmetic number, because the mean of its divisors is an integer number (37192562007615).

Almost surely, 2^{247774562020045} is an apocalyptic number.

It is an amenable number.

247774562020045 is a deficient number, since it is larger than the sum of its proper divisors (49765934040875).

247774562020045 is a wasteful number, since it uses less digits than its factorization.

247774562020045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35170272815.

The product of its (nonzero) digits is 26342400, while the sum is 55.

The spelling of 247774562020045 in words is "two hundred forty-seven trillion, seven hundred seventy-four billion, five hundred sixty-two million, twenty thousand, forty-five".