742694149409 has 8 divisors (see below), whose sum is σ = 778501866912. Its totient is φ = 707728966560.

The previous prime is 742694149399. The next prime is 742694149453. The reversal of 742694149409 is 904941496247.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 742694149409 - 2¹² = 742694145313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742694149469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210631859 + ... + 210635384.

It is an arithmetic number, because the mean of its divisors is an integer number (97312733364).

Almost surely, 2^742694149409 is an apocalyptic number.

It is an amenable number.

742694149409 is a deficient number, since it is larger than the sum of its proper divisors (35807717503).

742694149409 is a wasteful number, since it uses less digits than its factorization.

742694149409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421267327.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 742694149409 in words is "seven hundred forty-two billion, six hundred ninety-four million, one hundred forty-nine thousand, four hundred nine".