61009457354 has 8 divisors (see below), whose sum is σ = 91988353380. Its totient is φ = 30346672896.

The previous prime is 61009457351. The next prime is 61009457357. The reversal of 61009457354 is 45375490016.

It is an interprime number because it is at equal distance from previous prime (61009457351) and next prime (61009457357).

It can be written as a sum of positive squares in 2 ways, for example, as 47468644129 + 13540813225 = 217873^2 + 116365^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61009457351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79027409 + ... + 79028180.

Almost surely, 2^61009457354 is an apocalyptic number.

61009457354 is a deficient number, since it is larger than the sum of its proper divisors (30978896026).

61009457354 is a wasteful number, since it uses less digits than its factorization.

61009457354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158055784.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 61009457354 in words is "sixty-one billion, nine million, four hundred fifty-seven thousand, three hundred fifty-four".